Surrakar Spellblade is a rare Creature — Surrakar card from Modern Masters 2015 (MM2), collector number 60. Current market price: $0.28 (foil $1.06), TCGplayer market prices via Scryfall.
Whenever you cast an instant or sorcery spell, you may put a charge counter on this creature. Whenever this creature deals combat damage to a player, you may draw X cards, where X is the number of charge counters on it.