"Knowledge is the greatest virtue—with the courage to apply it."
—Rowan and Will Kenrith

Magic Online Promos

Blast of Genius

Choose any target. Draw three cards, then discard a card. Blast of Genius deals damage equal to the discarded card's mana value to that permanent or player.

Ral Zarek's brainstorms bring actual thunder and lightning.

Ultimate Masters

Choose any target. Draw three cards, then discard a card. Blast of Genius deals damage equal to the discarded card's converted mana cost to that permanent or player.

Dragon's Maze

Choose target creature or player. Draw three cards, then discard a card. Blast of Genius deals damage equal to the discarded card's converted mana cost to that creature or player.