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'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...
'{1}: Flip a coin. If you win the flip, add {C}{C}. Activate only as an instant.
'Add two mana in any combination of colors.
Draw a card.
'Add two mana in any combination of colors.
Draw a card.
'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...
'Your Mana Rock enters the battlefield tapped.
During deckbuilding, write two different colors on Your Mana Rock.
{T}: Add one mana of a color written on Your Mana Rock.
'You may play an additional land on each of your turns. {4}{G}{G}, {T}: Look at the top six cards of your library. You may reveal a creature card with mana...
'{T}: Add one mana of any color in your commander's color identity.
'Shuffle your library. Then exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Storm (When you cast this...
'Counter target spell unless its controller pays {1}.
'Trample
Whenever a player casts a spell, put a +1/+1 counter on this creature.
'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...