See these four Maro articles for details
No Slot:
Voiceless Spirit (creature, small, first strike, flying)
Sunrise Falcon (creature, small, flying)
Armored Griffin (creature, small, flying, vigilance)
Fastidious Disciple (creature, small)
Send Heavenward (instant, flying)
Inspire (instant, flying)
Summon Aid (sorcery)
Oppressive Rays (enchantment, enchant)
Skypair Hoplite (creature, small, flying, wingmate)
Doughty Fighter 2 (creature, small)
Druid's Skyweft (enchantment, enchant, flying)
Banish from the Upper (enchantment)
Ash Sifter (creature, small)
Lifefetcher (creature, small, flying)
Stoneforge Dwarf (creature, small)
Waterfall at the High Temple (enchantment)
Move Between the Clouds (sorcery)
Move Between the Clouds 2 (sorcery)
Sepulcher Watcher (creature, medium, graveflower)
Spectral Summoning (instant, flying)
Defender of the Nave (creature, small, flash, lifelink)
Stalwart Dwarf (creature, medium, vigilance)
Devoted Guardian (creature, medium, first strike)
Selfless Giant (creature, medium)
Preventer (creature, small, flying)
Defender of the Chancel (creature, small)
Custodian of the Cloak (creature, small)
Sober Custodian (creature, medium)
Leave Behind (sorcery, flying)
Seize the Moment (instant)
Scrappy Familiar (creature, small, flying)
Crookclaw Transmuter (creature, small, flash, flying)
Vault Raider (creature, small, flying, wingmate)
Corsair Skyship (creature, small, flying)
Intrepid Merchant (creature, small)
Zephyr Sprite (creature, small, flying)
Messenger Airship (creature, small, flying)
Consider (sorcery, scry)
Sky Serpent (creature, medium, defender, flying, wingmate)
Vault Raider 2 (creature, small, flying, wingmate)
Wingbeat Herald (creature, small, flying)
Aven Pillager (creature, small, flying)
Seize the Moment 2 (instant)
Matter Dispersal 3 (instant, interweave)
Matter Dispersal 2 (sorcery, interweave)
Melee Pirate (creature, small, flying)
Airship Pilot (creature, small, flying)
Aerial Denial (instant, flying, wingmate)
Gust from the East (instant, flying, interweave)
Matter Dispersal (sorcery, interweave)
Ancient Forgetter (creature, small, hexproof)
Malign Smokebeast (creature, small, flying)
Xenocidal Notion (instant)
Curse of Slaughter (enchantment, enchant)
Innocent Blood (sorcery)
Essence Drain (sorcery)
Fume Spitter (creature, small)
Exacter of Payment (creature, small)
Plague Carrier (creature, small)
Slithering Death (creature, small, graveflower)
Gravestealer (creature, small, flying)
Walk the Plank (sorcery, flying)
The Black Spot (enchantment, enchant)
False Harbor (sorcery)
Privateer (creature, small, flying, wingmate)
Thing from the Dark (creature, medium, deathtouch, haste)
Poison-Wielding Pirate (creature, small, deathtouch)
Grave Mediator (creature, medium, lifelink)
Bloodhunter Bat (creature, small, flying)
Arch Exhumer (creature, small)
Sewerkeeper (creature, small)
Chaplain of the War Barge (creature, small)
Falling Rock (sorcery)
Flung (sorcery, flying, trample)
Lick of Flame (instant, flying)
Wizardfire (sorcery)
Hearth Protector 2 (creature, small)
Angry Dwarf (creature, small, haste)
Forge Fire (instant)
Scorching Steam (instant)
Outcrop Beast (creature, medium, first strike, flying, wingmate)
Wizardfire 2 (sorcery)
Experimenting Blacksmith (creature, small)
Experimenting Blacksmith 2 (creature, small)
Scorching Steam 2 (instant, interweave)
Lick of Flame 2 (instant, flying, interweave)
Boatswain (creature, small)
Cannonneer (creature, small)
Bridge Builder (creature, small, flying, reach)
Flung 2 (sorcery, flying, trample, interweave)
Treewalker (creature, small, deathtouch, reach)
Clutching Death (creature, small, flying, reach)
Plaguetree (creature, large, graveleech)
Giant Foulweed (creature, medium, trample, graveleech)
Giant Foulweed 2 (creature, medium, trample, graveflower)
Call of the Earth (sorcery, flying)
Compost Limper (creature, small)
Fertile Ground (enchantment)
Snapping Crocodile (creature, medium, protection)
Yottatree Patrol (creature, small, flying, vigilance, wingmate)
Light Arrows (enchantment, enchant, flash, reach)
Seal of Primordium (enchantment)
Rhox Archer (creature, medium, reach)
Stretching Arms (instant, reach)
Charging Rhino (creature, medium)
Towering Beast (creature, large, reach, trample)
Mausoleum Weed (creature, medium, deathtouch)
Hulking Mulch (creature, large, hexproof, vigilance)
Call of the Earth 2 (sorcery, flying)
Wildflowerman (creature, small)
Sepulcher Attendant (creature, small)
Urge Feeder (creature, small)
Plaguetree 2 (creature, medium, graveflower)
Deepforest Moss (creature, small)
Wingshot (instant, flying)
Once More Loyal Soldier (sorcery)
Shielding Plax (enchantment, enchant)
Invert (instant)
Double Cleave (instant, double strike)
Lurking Sneakthief (creature, small, flash)
Redoubtable Priest (creature, small, lifelink)
Tough Student (creature, small)
Walker of the Spiral (creature, small, deathtouch)
Parapet Lancer (creature, small, first strike)
Research Drone (artifact creature, small)
Edge Guardian (artifact creature, medium, defender, flying, wingmate)
Wayfarer's Bauble (artifact)
Traveler's Amulet (artifact)
Dwarven Axe (artifact, equip)
Treasure Chest (artifact)
Crushing Spellbomb (artifact)
Misty Spellbomb (artifact)
Safety Spellbomb (artifact)
Poison Spellbomb (artifact, deathtouch)
Chromatic Star (artifact)
Anger Spellbomb (artifact)
Giant Growth Ancestral Man (creature, small)
Hurling Giant (creature, medium, flying)
Zephyrean Eruption (sorcery, flying, falling)
CW01 — creature, small, first strike, flying
CW02 — creature, small, flying
CW03 — creature, small, flying, wingmate
CW04 — creature, small
CW05 — creature, small, flying
CW06 — creature, small, flash, lifelink
CW07 — creature, small
CW08 — creature, small, flying, vigilance
CW09 — creature, small
CW10 — creature, small
CW11 — creature, small
CW12 — creature, small, flying
CW13 — creature, small
CW14 — creature, medium, graveflower
CW15 — creature, medium, vigilance
CW16 — creature, medium, first strike
CW17 — creature, medium
CW18 — creature, medium
CW19 — sorcery
CW20 — sorcery
CW21 — sorcery
CW22 — instant, flying
CW23 — instant, flying
CW24 — instant, flying
CW25 — enchantment, enchant
CW26 — enchantment, enchant, flying
CW27 — enchantment
CW28 — enchantment
CU01 — creature, small, flying
CU02 — creature, small, flying
CU03 — creature, small, flying
CU04 — creature, small, flying
CU05 — creature, small, flying
CU06 — creature, small, flash, flying
CU07 — creature, small, flying, wingmate
CU08 — creature, small, flying
CU09 — creature, small
CU10 — creature, small, flying
CU11 — creature, small, flying, wingmate
CU12 — creature, small, flying
CU13 — creature, small, hexproof
CU14 — creature, medium, defender, flying, wingmate
CU15 — sorcery, flying
CU16 — sorcery, scry
CU17 — sorcery, interweave
CU18 — sorcery, interweave
CU19 — instant
CU20 — instant
CU21 — instant, interweave
CU22 — instant, flying, wingmate
CU23 — instant, flying, interweave
CB01 — creature, small, flying
CB02 — creature, small
CB03 — creature, small
CB04 — creature, small, deathtouch
CB05 — creature, small
CB06 — creature, small, flying
CB07 — creature, small, flying, wingmate
CB08 — creature, small, flying
CB09 — creature, small
CB10 — creature, small
CB11 — creature, small
CB12 — creature, small, graveflower
CB13 — creature, medium, deathtouch, haste
CB14 — creature, medium, lifelink
CB15 — sorcery
CB16 — sorcery
CB17 — sorcery, flying
CB18 — sorcery
CB19 — instant
CB20 — enchantment, enchant
CB21 — enchantment, enchant
CR01 — creature, small, flying, reach
CR02 — creature, small
CR03 — creature, small, haste
CR04 — creature, small
CR05 — creature, small
CR06 — creature, small
CR07 — creature, small
CR08 — creature, medium, first strike, flying, wingmate
CR09 — sorcery
CR10 — sorcery, flying, trample
CR11 — sorcery
CR12 — sorcery
CR13 — sorcery, flying, trample, interweave
CR14 — instant, flying
CR15 — instant
CR16 — instant
CR17 — instant, interweave
CR18 — instant, flying, interweave
CG01 — creature, small
CG02 — creature, small
CG03 — creature, small
CG04 — creature, small, deathtouch, reach
CG05 — creature, small, flying, reach
CG06 — creature, small, flying, vigilance, wingmate
CG07 — creature, small
CG08 — creature, small
CG09 — creature, medium, trample, graveleech
CG10 — creature, medium, trample, graveflower
CG11 — creature, medium, protection
CG12 — creature, medium, reach
CG13 — creature, medium
CG14 — creature, medium, deathtouch
CG15 — creature, medium, graveflower
CG16 — creature, large, graveleech
CG17 — creature, large, reach, trample
CG18 — creature, large, hexproof, vigilance
CG19 — sorcery, flying
CG20 — sorcery, flying
CG21 — instant, reach
CG22 — enchantment
CG23 — enchantment, enchant, flash, reach
CG24 — enchantment
CM01 — creature, small, flash
CM02 — creature, small, lifelink
CM03 — creature, small
CM04 — creature, small, deathtouch
CM05 — creature, small, first strike
CM06 — sorcery
CM07 — instant, flying
CM08 — instant
CM09 — instant, double strike
CM10 — enchantment, enchant
CC01 — artifact
CC02 — artifact
CC03 — artifact, equip
CC04 — artifact
CC05 — artifact
CC06 — artifact
CC07 — artifact
CC08 — artifact, deathtouch
CC09 — artifact
CC10 — artifact
CC11 — artifact creature, small
CC12 — artifact creature, medium, defender, flying, wingmate
UG01 — creature, small
UM01 — creature, medium, flying
RU01 — sorcery, flying, falling