Trample Whenever Oliphaunt attacks, another target creature you control gets +2/+0 and gains trample until end of turn. Mountaincycling {1} ({1}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

Discard a card: Putrid Imp gains flying until end of turn. Threshold — As long as seven or more cards are in your graveyard, Putrid Imp gets +1/+1 and can't block.

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.)

When Bitter Reunion enters the battlefield, you may discard a card. If you do, draw two cards. {1}, Sacrifice Bitter Reunion: Creatures you control gain haste until end of turn.

Add {B}{B}{B}.

Lightning Bolt deals 3 damage to any target.

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

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

({T}: Add {R}.)

Rakdos Carnarium enters the battlefield tapped. When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{R}.

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

Choose one — • Cast into the Fire deals 1 damage to each of up to two target creatures. • Exile target artifact.

Target player sacrifices a creature.

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

Choose one — • Counter target blue spell. • Destroy target blue permanent.

Creatures your opponents control get -1/-1 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.)

Destroy target nonlegendary creature.

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