Boros Charm

Choose one — Boros Charm deals 4 damage to target player; or permanents you control are indestructible this turn; or target creature gains double strike until end of turn.

Skullcrack

Players can't gain life this turn. Damage can't be prevented this turn. Skullcrack deals 3 damage to target player.

Eidolon of the Great Revel

Whenever a player casts a spell with converted mana cost 3 or less, Eidolon of the Great Revel deals 2 damage to that player.

Monastery Swiftspear

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

Lava Spike

Lava Spike deals 3 damage to target player.

Smash to Smithereens

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

Lightning Helix

Lightning Helix deals 3 damage to target creature or player and you gain 3 life.

Rift Bolt

Rift Bolt deals 3 damage to target creature or player. Suspend 1—{R} (Rather than play this card from your hand, you may pay {R} and remove it from the game with a time counter on it. At the beginning of your upkeep, remove a time counter. When the last is removed, play it without paying its mana cost.)

Grim Lavamancer

{R}, {T}, Remove two cards in your graveyard from the game: Grim Lavamancer deals 2 damage to target creature or player.

Lightning Bolt

Lightning Bolt does 3 damage to one target.

Searing Blaze

Searing Blaze deals 1 damage to target player and 1 damage to target creature that player controls. Landfall — If you had a land enter the battlefield under your control this turn, Searing Blaze deals 3 damage to that player and 3 damage to that creature instead.

Goblin Guide

Haste Whenever Goblin Guide attacks, defending player reveals the top card of his or her library. If it's a land card, that player puts it into his or her hand.

Bloodstained Mire

Sacred Foundry

Wooded Foothills

Arid Mesa

Inspiring Vantage

Mountain

({T}: Add {R}.)