Rift Opening

Place up to 2 curses on target(s).
{x} - Soul Chain - Target creature gets X -1/-1
but can't die for X turns.
{b}{b}{b/r} - Rift Portal - Gain control of target
creature for 3 turns.
{3}{u}{r} - Rift Creature - Destroy target creature
and create a black token of that creature.