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

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

Choose one — • Boros Charm deals 4 damage to target player or planeswalker. • Permanents you control gain indestructible until end of turn. • Target creature gains double strike until end of turn.

Lightning Bolt deals 3 damage to any target.

Lightning Helix deals 3 damage to any target and you gain 3 life.

{T}: Add {C}. {T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.

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

Inspiring Vantage enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {R} or {W}.

({T}: Add {R}.)

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

Lava Spike deals 3 damage to target player or planeswalker.

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

The next time a source of your choice would deal damage to you this turn, prevent that damage. If damage is prevented this way, Deflecting Palm deals that much damage to that source's controller.

{R}, {T}, Exile two cards from your graveyard: Grim Lavamancer deals 2 damage to any target.

Protection from red Whenever a player casts a red spell, you may gain 1 life.

Destroy target land. If that land was nonbasic, Molten Rain deals 2 damage to the land's controller.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

At the beginning of each player's upkeep, Roiling Vortex deals 1 damage to them. Whenever a player casts a spell, if no mana was spent to cast that spell, Roiling Vortex deals 5 damage to that player. {R}: Your opponents can't gain life this turn.

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