When Altar of the Wretched enters the battlefield, you may sacrifice a nontoken creature. If you do, draw X cards, then mill X cards, where X is that creature's power.

Craft with one or more creatures

: Return Altar of the Wretched from your graveyard to your hand.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

When Etched Host Doombringer enters the battlefield, choose one —

• Target opponent loses 2 life and you gain 2 life.

• Choose target battle. If an opponent protects it, remove three defense counters from it. Otherwise, put three defense counters on it.

Vigilance

At the beginning of your end step, you may return another creature you control to its owner's hand, then put a number of +1/+1 counters equal to that creature's power on First Responder.

Menace

At the beginning of each combat, if Gitrog, Horror of Zhava is untapped, any opponent may sacrifice a creature. If they do, tap Gitrog, Horror of Zhava, then seek a land card and put it onto the battlefield tapped.

Whenever a land enters the battlefield under your control, it perpetually gains ", , Sacrifice this land: Draw a card."

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Whenever Guiltfeeder attacks and isn't blocked, defending player loses 1 life for each card in their graveyard.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Other Rats you control have toxic 1.

When Karumonix enters the battlefield, look at the top five cards of your library. You may reveal any number of Rat cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order.

If you would lose unspent mana, that mana becomes black instead.

At the beginning of your precombat main phase, look at the top card of your library. You may reveal that card if it has three or more colored mana symbols in its mana cost. If you do, add three mana in any combination of its colors and put it into your hand. If you don't reveal it, put it into your hand.

Haste

Whenever you cast a noncreature spell, put an oil counter on Sawblade Scamp.

, Remove an oil counter from Sawblade Scamp: It deals 1 damage to each opponent.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip

Flying, haste

Consume Anomaly — Whenever Time Reaper deals combat damage to a player, put target face-up card they own in exile on the bottom of their library. If you do, you gain 3 life.

Whenever one or more other creatures you control die, each opponent loses 2 life and you gain 2 life. This ability triggers only once each turn.

Wretched Bonemass's power and toughness are each equal to the total power of the exiled cards used to craft it.

Wretched Bonemass has flying as long as an exiled card used to craft it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample, and vigilance.