Wildfire

Each player sacrifices four lands of their choice. Wildfire deals 4 damage to each creature.

Armageddon

Avacyn, Angel of Hope

Flying, vigilance, indestructible
Other permanents you control have indestructible.

Crucible of Worlds

Numot, the Devastator

Flying
Whenever Numot, the Devastator deals combat damage to a player, you may pay {2}{R}. If you do, destroy up to two target lands.

Fall of the Thran

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Destroy all lands.
II, III — Each player returns two land cards from their graveyard to the battlefield.

Pillage

Destroy target artifact or land. It can't be regenerated.

Catastrophe

Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated.