Nettle Sentinel doesn't untap during your untap step.
Whenever you cast a green spell, you may untap Nettle Sentinel.
Though Shadowmoor's monster-haunted wilds beckon, she never leaves her post.
Illus. Kev Walker
2/2
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KHANS OF TARKIR 
COMMANDER 2014
FTV: ANNIHILATION 
SPEED vs CUNNING 
MAGIC 2015 
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