Aura Gnarlid's second ability counts each Aura regardless of who controls it.
15-06-2010
wotc
The power of each potential blocking creature is checked against Aura Gnarlid's power only as blockers are declared. Once a creature blocks Aura Gnarlid, increasing the Gnarlid's power or decreasing the blocking creature's power won't undo that block.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.