how rare is the mewtwo pokemon card Rarest cards ever released From the XY Evolutions set Mewtwo AR 183/165 Pokemoncard151 -

And it doesnt clog up a deck in the late game as it exhausts upon use

CMC: 7 Legality: Alchemy: Legal Brawl: Legal Commander: Legal Duel: Legal Explorer: Legal Future: Legal Gladiator: Legal Historic: Legal Historicbrawl: Legal Legacy: Legal Modern: Legal Pioneer: Legal Standard: Legal Vintage: Legal Rulings: 2021-07-23 Tiamats enters-the-battlefield ability will trigger if you cast Tiamat from any zone, not just from your hand

If your midgame cards didn't do it why would an 8 drop of about the same threat level

Horus the Black Flame Dragon LV4 X FIRE Level 4 [ Dragon / Effect ] ATK 1600 DEF 1000 Control of this face-up card cannot switch