Once Smelt-Ward Ignus’s ability has resolved, you retain control the creature even if its power is raised above 3.
, Sacrifice this creature: Gain control of target creature with power 3 or less until end of turn. Untap that creature. It gains haste until end of turn. Activate only as a sorcery.
Smelt-Ward Ignus’s ability can target any creature with power 3 or less, even one that’s untapped or one you already control.
