Its powerful as both an attacker and a blocker, and being indestructible makes it somewhat difficult to remove
The one area where Squirrel Girl might struggle is card draw, but a few cards can help
Meanwhile, much hyped rares Thing in the Ice and Westvale Abbey have peak in the high teens only to fall back towards $10
Silverquill Influence (White/Black) Aura control, make foes fight each other A blend of Goad and Enchanments, Killian, Decisive Mentor gets your opponents fighting each other while helping himself to more cards as your Aura creatures attack
But you can't afford to play slow - you also lose that much life
(Mishra felt like the more aggressive of the two.) When Urza became a Planeswalker, the Antiquities already had both the Mightstone and the Weakstone