(Play any time, even before spells and abilities resolve.) As an additional cost to play this, you may exhaust a friendly unit. If you do, draw 2. Otherwise, draw 1.
Seal of Insight
Mind Rune
Master Yi, Honed
Pyke, Returned
Nami, Headstrong
Rumble, Mechanized Menace
Fiora, Grand Duelist
Lee Sin, Ascetic
Spectral Centaur
Siphon Power
