pokemon card mewtwo promo - SWSH09: Brilliant Stars [REVERSE HOLO] Black Star Promo Retreat cost Mewtwo - 052 - SV:

There are two clear clauses that limit this card

This combination introduces a powerful selection of fire and fighting

You are setting up an opponents creature for death, and then you can let someone else kill it to get cards and life, in a nice flurry of card advantage akin to a Veteran Explorer or somesuch

If the creature that died had -1/-1 counters on it when it died, Host of the Hereafter's ability will put those on the target creature as well

On top of a winning condition revolving "Knock-outs," mechanics are also based on Pokemon concepts in the video games: Evolution, Energy Cards for casting (Pokemon Types), buffing Pokemon (Tools and Supporters), and altering the state of play (Stadium, Trainer Cards)