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'Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
'Add {R} for each Goblin on the battlefield.
'Whenever this artifact or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield, create a tapped Powerstone token....
'All creatures get +X/-X until end of turn.
'If this card is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on...
'{1}{R}, Remove a time counter from a permanent you control or suspended card you own: This creature gets +2/+0 until end of turn.
'Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
'Return target nonland permanent you don't control to its owner's hand. Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text...
'Put all creature cards from all graveyards onto the battlefield under your control.
'Indestructible {T}: Add {W}. {5}{W}, {T}: Harness The Mind Stone. (Once harnessed, its ∞ ability is active.) ∞ — At the beginning of your end step, exile up to one...