Circular Logic

Counter target spell unless its controller pays for each card in your graveyard.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Windswept Heath

, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Wall of Mulch

Defender (This creature can’t attack.)
, Sacrifice a Wall: Draw a card.

Yavimaya Coast

: Add .
: Add or . Yavimaya Coast deals 1 damage to you.

Circular Logic

Counter target spell unless its controller pays for each card in your graveyard.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Wild Mongrel

Discard a card: Wild Mongrel gets +1/+1 and becomes the color of your choice until end of turn.

Cinder Wall

Defender
When Cinder Wall blocks, destroy it at end of combat.

Stalking Vengeance

Haste
Whenever another creature you control dies, it deals damage equal to its power to target player or planeswalker.

Contested Cliffs

: Add .
, : Target Beast creature you control fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Peer Through Depths

Look at the top five cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Petals of Insight

Look at the top three cards of your library. You may put those cards on the bottom of your library in any order. If you do, return Petals of Insight to its owner’s hand. Otherwise, draw three cards.

Treetop Village

Treetop Village enters tapped.
: Add .
: Treetop Village becomes a 3/3 green Ape creature with trample until end of turn. It’s still a land. (It can deal excess combat damage to the player or planeswalker it’s attacking.)

Hinder

Counter target spell. If that spell is countered this way, put that card on your choice of the top or bottom of its owner’s library instead of into that player’s graveyard.

Wild Mongrel

Discard a card: Wild Mongrel gets +1/+1 and becomes the color of your choice until end of turn.

Shimian Specter

Flying
Whenever Shimian Specter deals combat damage to a player, that player reveals their hand. You choose a nonland card from it. Search that player’s graveyard, hand, and library for all cards with the same name as that card and exile them. Then that player shuffles.

Kathari Remnant

Flying
: Regenerate Kathari Remnant.
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Cryptic Annelid

When Cryptic Annelid enters, scry 1, then scry 2, then scry 3. (To scry X, look at the top X cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Faultgrinder

Trample
When Faultgrinder enters, destroy target land.
Evoke (You may cast this spell for its evoke cost. If you do, it’s sacrificed when it enters.)