Volzar, the Lightning Rod
Volzar, the Lightning Rod
If you control an aura permanent with Sigil in its name, this costs 
less to activate.
Once per Turn Instant — : Amp X, where X is the number of Lightning cards you've played this turn.
Volzar, the Lightning Rod
If you control an aura permanent with Sigil in its name, this costs less to activate.
Once per Turn Instant — : Amp X, where X is the number of Lightning cards you've played this turn. (The next time you would deal arcane damage this turn, instead deal that much plus X.)