Plains

Piracy Charm

Choose one —
• Target creature gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.)
• Target creature gets +2/-1 until end of turn.
• Target player discards a card.

Ephemerate

Exile target creature you control, then return it to the battlefield under its owner's control.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Hopeless Nightmare

When this enchantment enters, each opponent discards a card and loses 2 life.
When this enchantment is put into a graveyard from the battlefield, scry 2.
{2}{B}: Sacrifice this enchantment.

Retrofitted Transmogrant

{3}{B}: Return this card from your graveyard to the battlefield tapped with two +1/+1 counters on it.

Swamp

Cloudshift

Exile target creature you control, then return that card to the battlefield under your control.

Fatigue

Target player skips their next draw step.

Chittering Rats

When this creature enters, target opponent puts a card from their hand on top of their library.

Persistent Specimen

{2}{B}: Return this card from your graveyard to the battlefield tapped.

Island

Memory Lapse

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Archaeomancer

When this creature enters, return target instant or sorcery card from your graveyard to your hand.