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.

When Elderflame Pilgrims enters, it deals 2 damage to target player or planeswalker.
Wander {5}{R}

Flash
When Eleanor, Royal Captain enters, target legendary creature gains indestructible until end of turn.
Cybersoul {5}{W/B}

Draw a card.
Make a pledge, then make a pledge again.

Corrupt — Electronic Countermeasures deals 5 damage to target creature or planeswalker. If you control a permanent with greater mana value than this spell, exile the top X cards of your library, where X is the excess damage dealt this way. You may play those cards until your next end step.

Amity — Whenever you attack with Elegant Hunter and exactly one other creature, choose one —
• Attacking creatures you control get +2/+0 until end of turn.
• Attacking creatures you control can't be blocked this turn.

Choose one —
• Elektes's Charge deals 2 damage to each nonenchantment creature.
• Up to two target creatures you control each get +2/+0 and gain trample until end of turn.

As long as it's your turn, Elektes has first strike.
At the beginning of combat on your turn, target creature you control gets +X/+0 until end of turn, where X is your devotion to red and white.

Vigilance
{T}, Sacrifice an artifact or enchantment: Add {R}{G}.

Legendary permanents you control have “{1}, {T}: Tap target creature.”
At the beginning of each end step, scry 1 if you spent {U} to activate abilities this turn, Ema deals 1 damage to each opponent if you spent {R}, and put a +1/+1 counter on a creature you control if you spent {W}.