Secret Lair Drop

Instant

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Path to Exile

Archival Whorl

Enchantment

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Rhystic Study

Sorcery

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Duress

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Seize the Day

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Destroy target artifact or enchantment.

Krosan Grip

This spell can't be countered.
Counter target spell you don't control.
Overload {1}{U}{U}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Counterflux

Artifact

Thran Dynamo

Basic Land — Plains

Plains

Basic Land — Island

Island

Basic Land — Swamp

Swamp

Basic Land — Mountain

Mountain

Forest

Gilt-Leaf Alchemist

Basic Land — Forest

Creature — Frog

Sacrifice this creature: Prevent all combat damage that would be dealt this turn.