As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Drossforge Bridge enters the battlefield tapped. Indestructible {T}: Add {B} or {R}.

Target player loses 2 life. Escape—{3}{B}, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Galvanic Blast deals 2 damage to any target. Metalcraft — Galvanic Blast deals 4 damage instead if you control three or more artifacts.

{T}: Add {R}.

Flying, haste Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

When Scrapwork Mutt enters the battlefield, you may discard a card. If you do, draw a card. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Fiery Temper deals 3 damage to any target. Madness {R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Bloodfell Caves enters the battlefield tapped. When Bloodfell Caves enters the battlefield, you gain 1 life. {T}: Add {B} or {R}.

({T}: Add {R}.)

Target opponent loses 3 life and you gain 3 life. Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

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.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Creatures target player controls get -2/-2 until end of turn.

Target player sacrifices a creature. Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

{X}{X}{1}: Destroy target noncreature artifact with mana value X.

Creatures target player controls get -2/-2 until end of turn.

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

{T}, Sacrifice Nihil Spellbomb: Exile target player's graveyard. When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile target player's graveyard. {T}: Add {B}.

Target player sacrifices a creature. Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target player sacrifices a creature.

Fiery Cannonade deals 2 damage to each non-Pirate creature.

{T}, Discard a card: Fodder Tosser deals 2 damage to target player or planeswalker.

Forgotten Cave enters the battlefield tapped. {T}: Add {R}. Cycling {R} ({R}, Discard this card: Draw a card.)

Whenever you cast a noncreature spell, Kessig Flamebreather deals 1 damage to each opponent.

({T}: Add {R}.)

Choose one — • Destroy target artifact. • Destroy target creature with defender. • Smash to Dust deals 1 damage to each creature your opponents control.