Wooded Foothills

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

Noxious Revival

({G/P} can be paid with either {G} or 2 life.)
Put target card from a graveyard on top of its owner's library.

Elvish Spirit Guide

Exile Elvish Spirit Guide from your hand: Add {G}.

Taiga

Overmaster

The next instant or sorcery spell you cast this turn can't be countered.
Draw a card.

Glimpse of Nature

Whenever you cast a creature spell this turn, draw a card.

Ingot Chewer

When Ingot Chewer enters, destroy target artifact.
Evoke {R} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Ornithopter

Savannah

Crimson Kobolds

Scapegoat

As an additional cost to cast this spell, sacrifice a creature.
Return any number of target creatures you control to their owner's hand.

Goblin Bombardment

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

Crookshank Kobolds

Kobolds of Kher Keep

Phyrexian Walker

Simian Spirit Guide

Exile Simian Spirit Guide from your hand: Add {R}.

Memnite

Grapeshot

Grapeshot deals 1 damage to any target.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)