4BB
Instant
Choose one: target creature gets -1/-1 until end of turn; or target player may return a creature card from his or her graveyard to hand
Entwine B

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3R
Sorcery
target untapped equipped green creature gains first strike until end of turn
Splice onto Arcane: 3, Sacrifice a Goblin
Hellbent - If you have no cards in hand, instead all creatures with toughness 3 or less get +3/+0 until end of turn

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1BB
Artifact
T: up to two target creatures with both power and toughness 2 or more get -4/+4 until end of turn
B, Tap an untapped multicoloured creature you control: target creature with total power and toughness X or less, where X is the number of permanents an opponent controls on the battlefield can't be blocked except by creatures (This effect doesn't end) and ~this~ deals 1 damage to that creature

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AlexChurchill/MagicCardGenerator