one piece card game tin pack set vol.1 Vol. 1 Display Case Includes 2 Randomly Selected DON ONE PIECE CARD GAME Mini

Published in an article from MTG Arena Zone, the leaked information was reportedly sourced from stores who accidently broke the set embargo

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) : Draw a card, then discard a card

I knew from the get-go that they were asking for full card art, and I didnt want to put too much detail in the bottom because nobody was really going to see it anyway, but I did want it to be visually interesting

It does what a Magma Spray does, but you can pay more mana into it for more damage if the creature is big or gets bigger like Blanka, Ferocious Friend (The Howling Abomination)