msem-instigator

When 1-ST Thankless Companion enters, draw a card.

If this spell targets a card that was put into a graveyard from the battlefield this turn, you may pay {W} rather that pay its mana cost, and cast it as though it had flash.
Return target creature card from your graveyard to the battlefield.

Draw a card.
Leitmotif (If you cast this spell from your hand, exile it as it resolves. When you next cast a spell that shares a color with this card, you may cast this from exile without paying its mana cost.)

Return target instant or sorcery card with mana value 3 or less and without reconstruct from your graveyard to your hand.
Reconstruct {6}{U} (You may cast this from your graveyard for its reconstruct cost reduced by the mana value of a permanent you sacrifice as you cast it this way. Then exile this.)

Gain control of target artifact, creature, or planeswalker if its mana value is 4 or less or if you cast A Sucker for You from a graveyard.
Reconstruct {9}{U}{U}{U} (You may cast this from your graveyard for its reconstruct cost reduced by the mana value of a permanent you sacrifice as you cast it this way. Then exile this.)

When AOSE Extractor enters, crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)

Vigilance
Cadence (Whenever you cast a spell, if its mana value is greater than this creature's power, put a +1/+1 counter on this creature.)

When AOSE Lab Tech enters, draw three cards, then discard two cards unless you discard an artifact card.

{1}{U}, Sacrifice two artifacts: Draw a card.
Whenever an artifact you control dies, put a stun counter on up to one target creature. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Flying
Whenever AOSE Skydrone deals combat damage to a player, draw a card.

Flying

At the beginning of your upkeep, you may pay 2 life. If you do, crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)

Whenever a creature you control dies, put a +1/+1 counter on AOSE Xenocultivator. If this is the third time this ability resolved this turn, AOSE Xenocultivator deals 3 damage to any target.

This spell costs {X} less to cast, where X is the greatest power among creatures you control.
Abandon Life and Hope deals 5 damage to target creature or planeswalker.

When Abberant Frostbringer enters, tap up to one target creature. If you do, put two stun counters on that creature. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Trample
Whenever another Horror you control enters, put a +1/+1 counter on Abominable Xenoflora.

Destroy target creature with power 4 or greater. You gain 2 life.

Menace
Whenever Abomination Blackguard deals combat damage to an opponent, you may draw a card. If you do, you lose 1 life.

When Abomination Broodmother dies, create a 3/2 green Horror creature token.

When Abomination Emissary enters, target player mills six cards.

Abomination Sculptor has deathtouch and lifelink as long as it's attacking.

Destroy target creature or planeswalker.
Crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)

{B}, {T}, Discard a card: Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Whenever equipped creature deals combat damage to a player, put a +1/+1 counter on it and draw a card.
Equip {1}

When Academy Renegade enters, it deals damage to target creature you don't control equal to the number of Wizards you control.
Whenever Academy Renegade attacks, it deals damage to defending player equal to the number of Wizards you control.