This kind of spell is always more narrow than it looks though
In Lorcana, there are 6 rarities: Common, Uncommon, Rare, Super Rare, Legendary and Enchanted
For just three mana you can tap Brash Taunter to force it to fight another creature, except when Brash Taunter is dealt damage, you also deal that much damage to an opponent
Sure, you can tap it for one blue mana if you need it but once flipped, Azcanta, the Sunken Ruin can dig through the top four cards of your library, adding a noncreature card to your hand and helping you win the game.
Vanadiel Adventurers Laboratory Maniac at uncommon means you can actually get multiples sometimes, so there could be self-mill decks that try to win with this, Town Greeter, and Fight On
This release also features the meld mechanic on a single "meld pair": a duo of cards that, under the right circumstances, combines into one extremely powerful creature