Put target enchantment on the bottom of its owner's library.

Whenever you sacrifice a permanent, put a +1/+1 counter on Blood Aspirant.
, , Sacrifice a creature or enchantment: Blood Aspirant deals 1 damage to target creature. That creature can't block this turn.

Look at the top three cards of your library. You may reveal a permanent card from among them and put it into your hand. Put the rest on the bottom of your library in any order. You gain 3 life.

When Burglar Rat enters the battlefield, each opponent discards a card.

When Emberwilde Captain enters the battlefield, you become the monarch.
Whenever an opponent attacks you while you're the monarch, Emberwilde Captain deals damage to that player equal to the number of cards in their hand.

Whenever another creature you control attacks, it gets +0/+1 until end of turn.

Create a 1/1 white Human creature token. (Then exile this card. You may cast the creature later from exile.)

Lava Dart deals 1 damage to any target.
Flashback—Sacrifice a Mountain. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Lovestruck Beast can't attack unless you control a 1/1 creature.

: Add .

Put target enchantment on the bottom of its owner's library.

When Rakdos Firewheeler enters the battlefield, it deals 2 damage to target opponent and 2 damage to up to one target creature or planeswalker.

Trample
Rampaging Monument enters the battlefield with three +1/+1 counters on it.
Whenever you cast a multicolored spell, put a +1/+1 counter on Rampaging Monument.

Flash
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)
You may have Sakashima's Protege enter the battlefield as a copy of any permanent that entered the battlefield this turn.

Tap target creature. Sonic Assault deals 2 damage to that creature's controller.
Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

When Trove Tracker dies, draw a card.
Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Target opponent sacrifices a creature. If you control a creature with power 4 or greater, you gain 4 life.

Underworld Rage-Hound attacks each combat if able.
Escape—, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
Underworld Rage-Hound escapes with a +1/+1 counter on it.

: Add . Spend this mana only to cast an instant or sorcery spell.

At the beginning of your end step, untap all lands you control.