pokemon booster box mewtwo Kanto Power Collection [Mewtwo EX & Slowbro EX] – Common Lands the potent toxins of Team Rockets Nidoking ex Pokémon TCG: Team Rocket's Mewtwo

Low Population Data Extremely low high-grade populations in the vintage market

Just remember, this elephant can only fight so many creatures before dying, so I highly encourage you to pair it with the likes of Shield of the Oversoul to make it last

Then, if you want to be extra spiteful, you would put in a Ravages of War as well, effectively having two copies of Armageddon in your deck and overriding the format's singleton rule

If the target creature is an illegal target by the time the spell tries to resolve (most likely because it has left the battlefield in response), it won't resolve and none of its effects will happen