Amon Perth, Burning Calamity

Flying, haste, first strike
Whenever Amon Perth, the Long Calamity deals combat damage to a player, each player may sacrifice a land. If a player doesn't sacrifice a land
in this way, they lose 4 life.
As long as you control fewer than 4 lands, Amon Perth, the Long Calamity has "{b/r}{r/g}: You may
return Amon Perth, the Long Calamity from your graveyard to the battlefield."