Since Ratchet, Rescue Racers conversion can only happen once each turn, so that easily rules out any infinite combos for this card
Then, when those creatures deal damage to a player, you make a Treasure token, look at the top card of their library, and exile it face down
With no way to replenish your hand, yet having Prowess encouraging you to spam out those spells, the chances of you having a worthwhile sorcery in your hand feel slim
Token decks will be the most vulnerable to this card
Naturally, this green shapeshifter fits elf decks exceptionally well because theyre so cheap, and therell be turns when you get to play many elves
Sacrifice a Treasure, Clue, or Food for a 1-drop and then sacrifice that 1-drop for a 2-drop, and so on