Genestealer Patriarch (Surge Foil) (22) [Warhammer 40,000 Commander]

Genestealer's Kiss — Whenever this creature attacks, put an infection counter on target creature defending player controls. Children of the Cult — Whenever a creature with an infection counter on it dies, you create a token that's a copy of that creature, except it's a Tyranid in addition to its other types.