Initiate School for Merfolk

At the beginning of each upkeep, create a 0/1
blue merfolk student, put a +1/+1 counter on
each merfolk you control, then choose one:
•Healing- {4}{u}{u}: Create two 1/1
merfolk creature tokens with lifelink.
•Alchemy- Add {2} to your mana pool and
lose 2 life.
•Astronomy- Activated abilities of artifacts
you control cost {1} less to cast this turn.
{bull}Biology- Create a 2/2 blue Fish with deathtouch.