Blue Onion

Whenever a non Pikmin creature dies, if you have x untapped Pikmin creature tokens where x is the targeted creatures toughness, you may tap x Pikmin, if you do exile the targeted creature until this card leaves the battlefield and put x charge counters on Blue Onion.

{t} Sacrifice any number of Blue Pikmin creature tokens: Put a charge counter on this artifact for each sacrificed creature this way.
{t} Remove any number of charge counters from this artifact: create x Blue Pikmin creature tokens where