Leviathan [Fourth Edition (Foreign Black Border)] Rogue Rat Your opponents can't cast spells

Your opponents can't cast spells of the chosen color

Set: Fallout Type: Legendary Creature — Bear Rarity: Rare Cost: {1}{G} Whenever another Bear enters the battlefield under your control

An opponent chooses a nonland card exiled this way

Set: Tarkir: Dragonstorm Commander Type: Creature — Dauthi Rogue Rarity: Rare Cost: {B}{B} Shadow (This creature can block or be blocked by only creatures with shadow

Leviathan [Fourth Edition (Foreign Black Border)] Rogue Rat Your opponents can't cast spellsSet: Fourth Edition (Foreign Black Border) Type: Creature Leviathan Rarity: Rare Cost: {5}{U}{U}{U}{U} Trample Leviathan enters the battlefield tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan. Leviathan can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)