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'[+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.
'Tap all lands target player controls and that player loses all unspent mana.
{T}, Pay 1 life: Add one mana of any color.
'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...
'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...
'Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.
'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}:...