If you control an aura permanent with Sigil in its name, this costs [1 Resource] less to activate.
Once per Turn Instant -- [1 Resource]: 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.)
Near Mint - $100
Lightly Played - $100
Moderately Played - $100
Heavily Played - $100
Damaged - $100
Near Mint Spanish - $100
Lightly Played Spanish - $100
Moderately Played Spanish - $100
Heavily Played Spanish - $100
Damaged Spanish - $100