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

Flying Discard this card: Exile up to two target cards from graveyards.

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

Searing Blood deals 2 damage to target creature. When that creature dies this turn, Searing Blood deals 3 damage to the creature's controller.

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

{T}: Add {R}. This land deals 1 damage to you. Threshold — {R}, {T}, Sacrifice this land: It deals 2 damage to any target. Activate only if seven or more cards are in your graveyard.

Boltwave deals 3 damage to each opponent.

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.