Sort by:
'Players can't cast spells that share a color with the spell most recently cast this turn.
'You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up...
'Indestructible When this creature enters, suspect it. (It has menace and can't block.) Whenever this creature deals combat damage to a player, you draw a card and you lose 1...
'Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.
'If you tap a permanent for mana, it produces twice as much of that mana instead.
'If you tap a permanent for mana, it produces twice as much of that mana instead.
'Whenever a player taps a land for mana, that player adds one mana of any type that land produced.
'Tap all lands target player controls and that player loses all unspent mana.
'When you cast this spell, counter it unless you sacrifice a land. At the beginning of each player's upkeep, that player sacrifices a land of their choice. When there are...
'Players can't cast spells that share a color with the spell most recently cast this turn.
'You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up...
'Search your library for any number of land cards, exile them, then shuffle.