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17 May 2024: Card library updated.

Diffusion Sliver

1U · Creature — Sliver

Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}. 1/1

Similar cards

Color identity:
NameManaTypeText
Mage's Attendant 2WCreature — Cat Rogue When Mage's Attendant enters the battlefield, create a 1/1 blue Wizard creature token with "{1}, Sacrifice this creature: Counter target noncreature spell unless its controller pays {1}." 3/2
Brine Seer 3UCreature — Human Wizard {2}{U}, {T}: Reveal any number of blue cards in your hand. Counter target spell unless its controller pays {1} for each card revealed this way. 1/1
Last Word 2UUInstant This spell can't be countered. Counter target spell.
Teferi's Contingency WUUInstant Counter target spell. Each card in its controller's graveyard, hand, and library with the same name as that spell perpetually gains "This spell costs {2} more to cast."
Overwhelming Denial 2UUInstant Surge {U}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) This spell can't be countered. Counter target spell.
Sharkey, Tyrant of the Shire 2UBLegendary Creature — Avatar Rogue Activated abilities of lands your opponents control can't be activated unless they're mana abilities. Sharkey, Tyrant of the Shire has all activated abilities of lands your opponents control except mana abilities. Mana of any type can be spent to activate Sharkey's abilities. 2/4
Contradict 3UUInstant Counter target spell. Draw a card.
Dismiss 2UUInstant Counter target spell. Draw a card.
Minamo's Meddling 2UUInstant Counter target spell. That spell's controller reveals their hand, then discards each card with the same name as a card spliced onto that spell.
Word of Command BBInstant Look at target opponent's hand and choose a card from it. You control that player until Word of Command finishes resolving. The player plays that card if able. While doing so, the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card. If the chosen card is cast as a spell, you control the player while that spell is resolving.
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