Opal Biomancer

This creature enters the battlefield with a +1/+1 counter on it.
{g/u}{t}: Remove up to three +1/+1 counters from target creature, add 1 mana of any 1 color to your mana pool for each counter removed.
"Simic is about resistance and adaption, and with all the forces in the world seeking to remove us, we must do it quickly."