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You may exile a blue card from your hand rather than pay this spell's mana cost. Change the target of target spell with a single target.

Return all green permanents to their owners' hands.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Draw two cards.

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 gr...

Add {B}{B}{B}.

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

Counter target spell.

Counter target spell.

Counter target spell.

Counter target spell.

Destroy all Islands.

Choose a card type. Target opponent reveals their hand. Blood Oath deals 3 damage to that player for each card of the chosen type revealed this way...

Draw a card, then draw cards equal to the number of cards named Accumulated Knowledge in all graveyards.

If an opponent controls a Forest and you control an Island, you may cast this spell without paying its mana cost. Put target creature on top of its...

Destroy two target artifacts.

Add {B}{B}{B}. Threshold — Add {B}{B}{B}{B}{B} instead if there are seven or more cards in your graveyard.

Counter target activated ability from an artifact, creature, enchantment, or land. That permanent's activated abilities can't be activated this tur...

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.) Target creature attacks...

As an additional cost to cast this spell, sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield, then...

X can't be 0. Target spell's controller exiles it with X delay counters on it. At the beginning of each of that player's upkeeps, if that card is e...

Buyback {4} (You may pay an additional {4} as you cast this spell. If you do, put this card into your hand as it resolves.) Target creature gets +2...

Counter target spell. Draw a card.

Destroy target artifact or enchantment.

Choose one — • It's Probably Nothing — Proliferate. Draw a card. • That Could Actually Be Dangerous — Counter target creature, artifact, or planesw...