Have

Sky Diamond

Undermine

Counter target spell. Its controller loses 3 life.

Crosis's Charm

Choose one —
• Return target permanent to its owner's hand.
• Destroy target nonblack creature. It can't be regenerated.
• Destroy target artifact.

Blazing Specter

Flying, haste
Whenever Blazing Specter deals combat damage to a player, that player discards a card.

Counterspell

Nightscape Familiar

Blue spells and red spells you cast cost {1} less to cast.
{1}{B}: Regenerate Nightscape Familiar.

Compulsion

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

Fire

Fire deals 2 damage divided as you choose among one or two targets.

Fire // Ice

Seer's Vision

Your opponents play with their hands revealed.
Sacrifice Seer's Vision: Look at target player's hand and choose a card from it. That player discards that card. Activate only as a sorcery.

Flametongue Kavu

When Flametongue Kavu enters, it deals 4 damage to target creature.

Fire Diamond

Fire Diamond enters tapped.
{T}: Add {R}.

Suffocating Blast

Counter target spell and Suffocating Blast deals 3 damage to target creature.

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.)

Sisay's Ring

Charcoal Diamond

Charcoal Diamond enters tapped.
{T}: Add {B}.

Fact or Fiction

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Jilt

Kicker {1}{R} (You may pay an additional {1}{R} as you cast this spell.)
Return target creature to its owner's hand. If this spell was kicked, it deals 2 damage to another target creature.

Terminate

Destroy target creature. It can't be regenerated.

Don't Have

Crosis, the Purger

Flying
Whenever Crosis, the Purger deals combat damage to a player, you may pay {2}{B}. If you do, choose a color, then that player reveals their hand and discards all cards of that color.

Recoil

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