mtg cards like fling Fling, Set Name: Dark Ascension, 12 Fling deals damage equal to the sacrificed creature’s power to target creature or player. Fling MTG - Dark Ascension

$94.96 Save $9.53 Avatar: The Last Airbender expansion is still one of the most fun crossovers with the Magic: The Gathering trading card game in recent memory, and you can now grab two dozen packs for the equivalent of just over $3.50 each

This Zendikar Rising Commander deck includes 1 ready-to-play deck of 99 Magic cards, 1 foil commander card with alternate art, 10 tokens, 1 reference card, 1 deck box (can hold 100 sleeved cards), and 1 life tracker.

You can't pay that amount multiple times to multiply the effect

You also dont want to skip out on Young Pyromancer or Wavebreak Hippocamp ether since youre casting at least two spells per turn anyway