Through the Breach

Put a creature card from your hand into play. That creature has haste. Sacrifice that creature at end of turn. Splice onto Arcane {2}{R}{R} (As you play an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Obstinate Baloth

When Obstinate Baloth enters the battlefield, you gain 4 life. If a spell or ability an opponent controls causes you to discard Obstinate Baloth, put it onto the battlefield instead of putting it into your graveyard.

Summoner's Pact

Search your library for a green creature card, reveal it, and put it into your hand. Then shuffle your library. At the beginning of your next upkeep, pay {2}{G}{G}. If you don't, you lose the game.

Chalice of the Void

Chalice of the Void enters the battlefield with X charge counters on it. Whenever a player casts a spell with converted mana cost equal to the number of charge counters on Chalice of the Void, counter that spell.

Scapeshift

Sacrifice any number of lands. Search your library for that many land cards, put them into play tapped, then shuffle your library.

Simian Spirit Guide

Remove Simian Spirit Guide in your hand from the game: Add {R} to your mana pool.

Primeval Titan

Trample Whenever Primeval Titan enters the battlefield or attacks, you may search your library for up to two land cards, put them onto the battlefield tapped, then shuffle your library.

Farseek

Search your library for a Plains, Island, Swamp, or Mountain card and put it into play tapped. Then shuffle your library.

Anger of the Gods

Anger of the Gods deals 3 damage to each creature. If a creature dealt damage this way would die this turn, exile it instead.

Search for Tomorrow

Search your library for a basic land card and put it into play. Then shuffle your library. Suspend 2—{G} (Rather than play this card from your hand, you may pay {G} and remove it from the game with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, play it without paying its mana cost.)

Valakut, the Molten Pinnacle

Valakut, the Molten Pinnacle enters the battlefield tapped. Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to target creature or player. {T}: Add {R} to your mana pool.

Windswept Heath

Wooded Foothills

Cinder Glade

Sakura-Tribe Elder

Stomping Ground

({T}: Add {R} or {G}.) As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Mountain

({T}: Add {R}.)

Forest

({T}: Add {G}.)