When Toph enters, earthbend X, where X is the amount of mana spent to cast her.
Land creatures you control have double strike.
Turn your lands into giant double-striking creatures and beat down. Cast Toph for as much mana as possible to dump a big pile of +1/+1 counters onto a land via earthbend, then animate more lands and swing for lethal commander damage and trample.
Lands-as-creatures sidestep traditional creature removal and board wipes that target nonland permanents
Double strike doubles all combat damage AND combat-trigger value, turning one big land into a one-shot threat
Earthbend X scales with ramp, rewarding the green mana glut you already build
Counters on lands stick around and stack across multiple earthbend effects
Animating lands exposes your mana base to creature removal, Wrath effects, and edicts — losing lands sets you back hard
Without animation enablers Toph's static ability does nothing on its own