Whenever another Merfolk enters the battlefield under your control, River Sneak gets +1/+1 until end of turn.
No ripples, no splashes, no warning.
Illus. Slawomir Maniak
1/1
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KHANS OF TARKIR 
COMMANDER 2014
FTV: ANNIHILATION 
SPEED vs CUNNING 
MAGIC 2015 
CONSPIRACY 
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