Waterkin Shaman 
Creature — Elemental Shaman
Whenever a creature you control with flying enters, this creature gets +1/+1 until end of turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Elemental Shaman
Whenever a creature you control with flying enters, this creature gets +1/+1 until end of turn.