Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

Aeon Chronicler’s power and toughness are each equal to the number of cards in your hand.

Suspend X—{X}{3}{U}. X can’t be 0.

Whenever a time counter is removed from Aeon Chronicler while it’s exiled, draw a card.

When Aether Adept enters the battlefield, return target creature to its owner’s hand.

Kicker {3} (You may pay an additional {3} as you cast this spell.)

Aether Figment can’t be blocked.

If Aether Figment was kicked, it enters the battlefield with two +1/+1 counters on it.

Enchant creature

Enchanted creature gets -5/-0.

{2}{U}: Return Agoraphobia to its owner’s hand.

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

You may have Body Double enter the battlefield as a copy of any creature card in a graveyard.

{1}, {T}: Put a +1/+1 counter on Chronomaton.

Enchant creature

When Claustrophobia enters the battlefield, tap enchanted creature.

Enchanted creature doesn’t untap during its controller’s untap step.

Target creature gets +2/+2 until end of turn. Another target creature gets -2/-2 until end of turn.

Enchant creature

You control enchanted creature.

{2}{B}, Sacrifice a creature: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate only as a sorcery.

Whenever Crosstown Courier deals combat damage to a player, that player mills that many cards.

{1}{G}: Death-Hood Cobra gains reach until end of turn.

{1}{G}: Death-Hood Cobra gains deathtouch until end of turn.

{T}: Add {C}.

{4}: Dread Statuary becomes a 4/2 Golem artifact creature until end of turn. It’s still a land.

When Dream Stalker enters the battlefield, return a permanent you control to its owner’s hand.

{2}{B}{G}, Sacrifice a creature: Target creature gets +2/+2 until end of turn. Another target creature gets -2/-2 until end of turn.

Flying

Suspend 4—{1}{U} (Rather than cast this card from your hand, you may pay {1}{U} and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

Trample

Morbid — Festerhide Boar enters the battlefield with two +1/+1 counters on it if a creature died this turn.

({T}: Add {G}.)