Command Tower

{T}: Add one mana of any color in your commander's color identity.

Arcane Signet

Counterspell

Dark Ritual

Toxic Deluge

As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.

Marchesa, Dealer of Death

Whenever you commit a crime, you may pay {1}. If you do, look at the top two cards of your library. Put one of them into your hand and the other into your graveyard. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Exotic Orchard

{T}: Add one mana of any color that a land an opponent controls could produce.

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