Canti, Starlit Musician

Canti, Starlit Musician enters tapped

Whenever Canti, Starlit Musician would
untap, you may choose to keep it tapped. If you
do, add a +1/+1 counter to Canti, Starlit Musician

{t}: Choose one, where X is equal to the number of +1/+1 counters on Canti, Starlit Musician:
•Gain X life
•Deal X damage to target
•Put X +1/+1 counters on target, remove all +1/+1 counters on Canti, Starlight Musician