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{T}, Pay 1 life: Add one mana of any color.
'Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) This creature can't attack unless defending player is...
'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...
'Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose...
'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...
'Tap all lands target player controls and that player loses all unspent mana.
'Tap all lands target player controls and that player loses all unspent mana.
'[+1]: Each opponent discards a card and loses 2 life. [−3]: Gain control of target creature until end of turn. Untap it. It gains haste until end of turn. Sacrifice...
'Whenever you cast a multicolored spell, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") {X}{X}{X}, {T}:...
'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}.
{T}, Pay 1 life: Add one mana of any color.
'{1}, {T}: Add one mana of any color.