Henrik, Archmage's Apprentice

Whenever you cast an instant or sorcery spell,
put a magic counter on Henrik, Archmage's Apprentice.
{1}{w}, {t}, Remove a magic counter from Henrik: Target creature gains indestructible until end of turn.
{1}{g}, {t}, Remove a magic counter from Henrik: Put a +1/+1 counter on each creature you control.