Flamewake Phoenix

Flying, haste Flamewake Phoenix attacks each turn if able. Ferocious — At the beginning of combat on your turn, if you control a creature with power 4 or greater, you may pay {R}. If you do, return Flamewake Phoenix from your graveyard to the battlefield.

Temur Battle Rage

Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.) Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.

Burning-Tree Emissary

When Burning-Tree Emissary enters the battlefield, add {R}{G} to your mana pool.

Become Immense

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Target creature gets +6/+6 until end of turn.

Hooting Mandrills

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Trample

Monastery Swiftspear

Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Street Wraith

Swampwalk Cycling—Pay 2 life. (Pay 2 life, Discard this card: Draw a card.)

Vengevine

Haste Whenever you cast a spell, if it's the second creature spell you cast this turn, you may return Vengevine from your graveyard to the battlefield.

Copperline Gorge

Copperline Gorge enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {R} or {G} to your mana pool.

Lightning Bolt

Lightning Bolt does 3 damage to one target.

Bloodstained Mire

Wooded Foothills

Arid Mesa

Faithless Looting

Reckless Bushwhacker

Insolent Neonate

Flameblade Adept

Hollow One

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.

Cathartic Reunion

As an additional cost to cast this spell, discard two cards. Draw three cards.

Mountain

({T}: Add {R}.)