As an additional cost to cast this spell, tap an untapped creature you control with a level counter on it or pay {3}.
Exile target creature or enchantment.

When Data Weaver enters, integrate the top two cards of target opponent's library.
Once during each of your turns, you may play a card integrated onto a permanent you control, and mana of any type can be spent to cast it.

Target player discards two cards. Exile their graveyard.

Deathtouch
{1}, {T}: Create a Treasure token.

Ward {2}
At the beginning of your upkeep, put a +1/+1 counter on Decavolt Reactor.

You may cast this spell as though it had flash by sacrificing a creature in addition to its other costs. If you do, when it enters, attach it to target creature you control.
Equipped creature gets +2/+0 and has “Whenever this creature deals combat damage to a player, that player discards a card.”
Equip—Pay 2 life.

Enchanted creatures you control get +2/+2 until end of turn. Other creatures you control get +2/+0 until end of turn.

Enchant creature
You control enchanted creature.
Enchanted creature has decayed.

Create a 1/1 colorless Construct artifact creature token, then put a +1/+1 counter on each Construct you control.

Flash
When this creature enters, if it was cast, counter target noncreature spell unless its controller pays {1} for each creature you control.

Whenever you sacrifice a permanent, double this creature's power until end of turn.
When this creature dies, create an X/X black Demon creature token, where X is this creature's power.

Trample
{R/G}, Sacrifice another creature: Put a +1/+1 counter on this creature. If the sacrificed creature had one or more counters on it, exile the top card of your library. You may play that card until your next end step.

Creatures you control have “{T}: Add one mana of any color” and “{T}: Surveil 1.”

Add {W}{U}{B}{R}.

When Distributive Justice enters, distribute three +1/+1 counters among any number of target creatures you control.
You control three or more creatures with the same power.
You control three or more creatures with the same toughness.

Counter target spell.
Draw a card if you control a legendary permanent.

When this creature enters, create a white Subroutine enchantment token named ALARM with “Whenever this Subroutine runs, create a 1/1 white Citizen creature token.”

Draconic Ire deals 3 damage to target creature or planeswalker.

Fabric — Target creature you control gets +X/+X until end of turn, where X is the number of enchantments you control. It deals damage equal to its power to up to one target creature you don't control.

When Dream Catcher enters, return target exiled card with flashback you own to your hand.

Flying
Amity — Whenever you attack with Dustwing Butterfly and exactly one other creature, create a tapped and attacking token that's a copy of target creature you control, except it's 1/1 and isn't legendary. Sacrifice that token at the beginning of the next end step.

Whenever you cast a multicolored spell, you gain 1 life.
{T}: Add one mana of any color.

Lifelink
When Eager Voter enters, make a pledge.

Solidarity
Edgeland Battlefury must be blocked if able, and it must be blocked by two or more creatures if able.

Vigilance
Flow — {4}{W}: Exile target permanent card with mana value 3 or less from your graveyard. Create a tapped token that's a copy of it. Activate only as a sorcery.