Tyranid Bio-Ship

Tyranid spells you cast cost {1} less to cast.

{2}{g}: Put a 1/1 green Tyranid creature token
with Synapse, this creature gains +2/+0 and trample onto the battlefield.
Across the heavens the flotilla of bio-ships stretched out, impelled by instinct to hibernate
again until new prey was found, new resources could be plundered. -Jarv Advent