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'At the beginning of your upkeep, flip a coin. If you lose the flip, sacrifice this enchantment. Whenever a player casts a spell, that player flips a coin. If they...
The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.
'Haste
{T}, Sacrifice an artifact creature: Create two Treasure tokens.
{T}, Sacrifice a noncreature artifact: Create two 1/1 colorless Construct artifact creature tokens.
'[+1]: Add {R} or {G}. If that mana is spent on a creature spell, it gains riot. (It enters with your choice of a +1/+1 counter or haste.) [−3]: Look...
'As long as this artifact is untapped, players can't untap more than one land during their untap steps.
Chaos - Unit
When I attack, you may pay {1} to move an enemy unit here to its base.
'[+1]: Add {R} or {G}. If that mana is spent on a creature spell, it gains riot. (It enters with your choice of a +1/+1 counter or haste.) [−3]: Look...
'As long as this artifact is untapped, players can't untap more than two permanents during their untap steps.
'The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.
'Flying, trample
At the beginning of your end step, target opponent may sacrifice two nonland, nontoken permanents of their choice. If they don't, you draw two cards.