Curtain Call (Epic)

[Repeat] — :rb_energy_1: / :rb_rune_rainbow: / :rb_energy_1::rb_rune_rainbow: (You may pay each additional cost to repeat this spell's effect.)
Choose one you haven't already chosen —<ul><li>Draw 1.</li><li>Deal 2 to a unit at a battlefield.</li><li>Deal 3 to a unit at a base.</li><li>Give a unit at a battlefield -4 :rb_might: this turn.</li></ul>