Diffusion Sliver
Creature — Sliver · {1}{U}
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}.
From €1.44 at Cardmarket
Creature — Sliver · {1}{U}
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}.
From €1.44 at Cardmarket