Standstill

When a player casts a spell, sacrifice Standstill. If you do, each of that player's opponents draws three cards.

Mana Short

Tap all lands target player controls and that player loses all unspent mana.

Compulsion

{1}{U}, Discard a card: Draw a card.
{1}{U}, Sacrifice Compulsion: Draw a card.

Innocent Blood

Each player sacrifices a creature of their choice.

Cunning Wish

You may reveal an instant card you own from outside the game and put it into your hand. Exile Cunning Wish.

Deep Analysis

Target player draws two cards.
Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Force Spike

Counter target spell unless its controller pays {1}.

Smother

Destroy target creature with mana value 3 or less. It can't be regenerated.

Cremate

Exile target card from a graveyard.
Draw a card.

Hibernation

Return all green permanents to their owners' hands.

Upheaval

Return all permanents to their owners' hands.

Counterspell

Circular Logic

Counter target spell unless its controller pays {1} for each card in your graveyard.
Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Slay

Destroy target green creature. It can't be regenerated.
Draw a card.

Gainsay

Ghastly Demise

Destroy target nonblack creature if its toughness is less than or equal to the number of cards in your graveyard.

Recoil

Return target permanent to its owner's hand. Then that player discards a card.

Underground River

{T}: Add {C}.
{T}: Add {U} or {B}. Underground River deals 1 damage to you.

Chainer's Edict

Target player sacrifices a creature of their choice.
Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Coffin Purge

Exile target card from a graveyard.
Flashback {B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Island

Repulse

Return target creature to its owner's hand.
Draw a card.

Psychatog

Discard a card: Psychatog gets +1/+1 until end of turn.
Exile two cards from your graveyard: Psychatog gets +1/+1 until end of turn.

Hydroblast

Choose one —
• Counter target spell if it's red.
• Destroy target permanent if it's red.