Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.) Backup 2 (When this creature enters the battlefield, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.) Menace

Menace (This creature can't be blocked except by two or more creatures.) Discard a card, Sacrifice Insolent Neonate: Draw a card.

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.)

Exile Simian Spirit Guide from your hand: Add {R}.

Troll of Khazad-dûm can't be blocked except by three or more creatures. Swampcycling {1} ({1}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

({T}: Add {B} or {R}.) Geothermal Bog enters the battlefield tapped.

({T}: Add {R}.)

Each player puts a creature card from their graveyard onto the battlefield.

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.)

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

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