Ursaluna

You may sacrifice an enchanted creature named
Ursaring rather than pay this spells mana cost.
Protection from sources that cost {e} and Spirits.
Trample, swampwalk, absorb 2.
Ursaluna gets +4/+0 as long as it has an Aura or
counter attached to or on it.
Whenever Ursaluna deals combat damage to a player, that player sacrifices four lands.
Landfall —Whenever a land enters the battlefield
under your control, Bears you control get +2/+2
and gain trample until end of tu