Time Spiral

Shadow (This creature can block or be blocked by only creatures with shadow.) When Faceless Devourer enters the battlefield, exile another target ...

Non-Eye creatures you control can't attack. Whenever Evil Eye of Urborg becomes blocked by a creature, destroy that creature.

Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's mana value. When you control seven or more ...

Flash (You may cast this spell any time you could cast an instant.) {B}: Regenerate Drudge Reavers.

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyar...

Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your han...

At the beginning of your upkeep, put a spore counter on Deathspore Thallid. Remove three spore counters from Deathspore Thallid: Create a 1/1 green...

Destroy target nonblack creature. Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it...

When Cyclopean Giant dies, target land becomes a Swamp. Exile Cyclopean Giant.

{4}, {T}: Search your library for a Rebel permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

Target player sacrifices half the permanents they control, rounded down. Suspend 2—{2}{B}{B} (Rather than cast this card from your hand, you may pa...

All Slivers have "Sacrifice this permanent: Add {B}{B}."

Buyback—Sacrifice three Islands. (You may sacrifice three Islands in addition to any other costs as you cast this spell. If you do, put this card i...

As Vesuvan Shapeshifter enters the battlefield or is turned face up, you may choose another creature on the battlefield. If you do, until Vesuvan S...

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

All Slivers have "{T}: Tap target permanent."

Flash (You may cast this spell any time you could cast an instant.) Creature cards you own that aren't on the battlefield have flash. Each opponent...

Flying Other creatures you control with flying get +0/+1. {T}: Other creatures you control with flying get +1/+0 until end of turn.

All Sliver creatures have "{T}: This creature deals 2 damage to any target and 3 damage to itself."

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Whenever enchanted creature deals damage to an opponent, you m...

Flash (You may cast this spell any time you could cast an instant.) Flying When Draining Whelk enters the battlefield, counter target spell. Put X ...

Deep-Sea Kraken can't be blocked. Suspend 9—{2}{U} (Rather than cast this card from your hand, you may pay {2}{U} and exile it with nine time count...

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Choose a counter on tar...

Suspend 4—{U} (Rather than cast this card from your hand, pay {U} and exile it with four time counters on it. At the beginning of your upkeep, remo...