A Nightmare Within

Target creature gets -X/-X until end of turn. If
that creature were to die this way, it's controller creates X 1/1 black Nightmare creature tokens
with "At the beginning of your upkeep, discard a
card. If you can't, you lose 2 life."
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A jolt out of sleep and cold sweats creep on as they
always do. Waking from one nightmare only to be
haunted by the memory of another.