Reach
This creature enters with X +1/+1 counters on it.
Reinforce X— (, Discard this card: Put X +1/+1 counters on target creature.)
Illustrated by Filip Burburan · Jumpstart: Historic Horizons · #672
There are no rulings for Wren's Run Hydra.
: Regenerate this creature.
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Flying
This creature enters with a +1/+1 counter on it.
, Remove a +1/+1 counter from this creature: Put a +1/+1 counter on target creature.
Reach, trample
This creature enters with a +1/+1 counter on it for each other creature you control with a +1/+1 counter on it.