Have

Into the North

Search your library for a snow land card, put it onto the battlefield tapped, then shuffle.

Qasali Pridemage

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
{1}, Sacrifice Qasali Pridemage: Destroy target artifact or enchantment.

Rakeclaw Gargantuan

{1}: Target creature with power 5 or greater gains first strike until end of turn.

Druid of the Anima

Beacon Behemoth

{1}: Target creature with power 5 or greater gains vigilance until end of turn.

Wild Nacatl

Wild Nacatl gets +1/+1 as long as you control a Mountain.
Wild Nacatl gets +1/+1 as long as you control a Plains.

Mosstodon

{1}: Target creature with power 5 or greater gains trample until end of turn.