Gaze of the Valorant Sensei

Entertain target creature. (Tap and place a
Fun counter on the creature(s). During your upkeep gain one life for each Fun counter on creatures you control. Creatures with a Fun counter on them do not untap during their controllers untap phase. You may remove these
Fun counters at any time. )
Untap all of your creatures. They gain Vigilance and First Strike until end of turn.