Avalanche Riders - [Foil] Urza's Legacy (ULG)Haste Echo {3}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When Avalanche Riders enters the battlefield, destroy target land.

When Mindslicer dies

" —Lord Windgrace

Flying {3}

If a permanent's ability is countered this way

"I care nothing for treasure

(The copy becomes a token

Truth lurks in the depths

[−2]: You may sacrifice a creature

" —Lavinia

there are a LOT more zombies than you have bullets

Pay {E}{E}{E}: Electrostatic Pummeler gets +X/+X until end of turn

Whenever Bess attacks