B
Instant
destroy target nonblack creature

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3BBB
Sorcery
you sacrifice a permanent. You and target opponent each untap and gain control of target creature with transmute the other controls until end of turn. They gain haste until end of turn.
Haunt
When the creature this haunts is put into a graveyard from the battlefield, you sacrifice a permanent. You and target opponent each untap and gain control of target creature with transmute the other controls until end of turn. They gain haste until end of turn.

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Tribal Land - Spirit
Tap an untapped enchantment you control, Tap an untapped land you control, T, sacrifice ~this~: each player may search his or her library for up to one land card and put it into hand. Each player who searched his or her library this way shuffles it.

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AlexChurchill/MagicCardGenerator