Sedge Sliver - The List (PLIST) CMR counter it unless that player

counter it unless that player pays {2}

Valki becomes a copy of that card

Whenever you cast an artifact spell

Return target nonland permanent with mana value X to its owner's hand

"I see something special in you—a bright ember that yearns to dance among the stars

Sedge Sliver - The List (PLIST) CMR counter it unless that playerAll Sliver creatures have "This creature gets +1 +1 as long as you control a Swamp." All Slivers have "{B}: Regenerate this permanent." (The next time it would be destroyed, instead tap it, remove it from combat, and heal all damage on it.) Their flesh is as sodden as the fens in which they live, oozing to fill any wound and squishing to absorb any blow.