k9 yugioh deck New theme from Build Pack: "K9" : r/masterduel K9 Decks - Yu-Gi-Oh! Card

While Ephemerate is still far and away one of the best flicker spells in the format, you can branch out here to some that fit the theme a bit better, too

Mega Froslass is not good simply because of the instant damage itself, but because it forces you to limit your hand throughout the entire game, as any Snorunt on the bench could evolve and oneshot you with one energy attachment, and this way it limits counterplay to other attackers that synergise with the Snorunt line

TCG has various Jar archetypes with different effects, from board wipes to protection and chaos

its one of the most popular green removal creatures in the format, and for good reason