River Heralds' Boon | 204 | Ixalan

Set: Ixalan
Rarity: C
#: 204
Creature Type or Sub Type: Instant
Rules Text Contains: Put a +1/+1 counter on target creature and a +1/+1 counter on up to one target Merfolk.
Flavor: "We are kin to the trees, and their strength is our own."