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{T}, Pay 1 life: Add one mana of any color.
'Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Destroy target artifact and target enchantment.
'This artifact doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap this artifact. At the beginning of your draw...
'Menace Whenever you cast your second spell each turn, you may sacrifice an artifact. If you do, flip a coin. When you win the flip, copy that spell. You may...
'Tap all lands target player controls and that player loses all unspent mana.
'At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you.
{T}: Add {C}{C}.
'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...
'Menace Whenever you cast your second spell each turn, you may sacrifice an artifact. If you do, flip a coin. When you win the flip, copy that spell. You may...
'This artifact doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap this artifact. At the beginning of your draw...
{T}, Pay 1 life: Add one mana of any color.
'Look at the top six cards of your library. You may reveal a creature card from among them. If that card has mana value 2 or less, you may put...
'If an opponent cast three or more spells this turn, you may pay {0} rather than pay this spell's mana cost.
Exile any number of target spells.