Gravecrawler

This creature can’t block.
You may cast this card from your graveyard as long as you control a Zombie.

Midnight Reaper

Whenever a nontoken creature you control dies, this creature deals 1 damage to you and you draw a card.

Stitcher’s Graft

Equipped creature gets +3/+3.
Whenever equipped creature attacks, it doesn’t untap during its controller’s next untap step.
Whenever this Equipment becomes unattached from a permanent, sacrifice that permanent.
Equip

Argivian Phalanx

This spell costs less to cast for each creature you control.
Vigilance (Attacking doesn’t cause this creature to tap.)

Abandon Reason

Up to two target creatures each get +1/+0 and gain first strike until end of turn. (They deal combat damage before creatures without first strike.)
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Band Together

Up to two target creatures you control each deal damage equal to their power to another target creature.

Goblin Trailblazer

Menace (This creature can’t be blocked except by two or more creatures.)

Hero of the Games

Whenever you cast a spell that targets Hero of the Games, creatures you control get +1/+0 until end of turn.

Unholy Heat

Unholy Heat deals 2 damage to target creature or planeswalker.
Delirium — Unholy Heat deals 6 damage instead if there are four or more card types among cards in your graveyard.

Skola Grovedancer

Whenever a land card is put into your graveyard from anywhere, you gain 1 life.
: Mill a card. (Put the top card of your library into your graveyard.)

Witherbloom Apprentice

Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 1 life and you gain 1 life.

Emperor of Bones

At the beginning of combat on your turn, exile up to one target card from a graveyard.
: Adapt 2.
Whenever one or more +1/+1 counters are put on Emperor of Bones, put a creature card exiled with Emperor of Bones onto the battlefield under your control with a finality counter on it. It gains haste. Sacrifice it at the beginning of the next end step.

Emperor of Bones

At the beginning of combat on your turn, exile up to one target card from a graveyard.
: Adapt 2.
Whenever one or more +1/+1 counters are put on Emperor of Bones, put a creature card exiled with Emperor of Bones onto the battlefield under your control with a finality counter on it. It gains haste. Sacrifice it at the beginning of the next end step.

Emperor of Bones

At the beginning of combat on your turn, exile up to one target card from a graveyard.
: Adapt 2.
Whenever one or more +1/+1 counters are put on Emperor of Bones, put a creature card exiled with Emperor of Bones onto the battlefield under your control with a finality counter on it. It gains haste. Sacrifice it at the beginning of the next end step.

Shackle Slinger

Whenever you cast your second spell each turn, choose target creature an opponent controls. If it’s tapped, put a stun counter on it. Otherwise, tap it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Single Combat

Each player chooses a creature or planeswalker they control, then sacrifices the rest. Players can’t cast creature or planeswalker spells until the end of your next turn.

Heroic Intervention

Permanents you control gain hexproof and indestructible until end of turn.

Single Combat

Each player chooses a creature or planeswalker they control, then sacrifices the rest. Players can’t cast creature or planeswalker spells until the end of your next turn.

Kellogg, Dangerous Mind

First strike, haste
Whenever Kellogg, Dangerous Mind attacks, create a Treasure token.
Sacrifice five Treasures: Gain control of target creature for as long as you control Kellogg. Activate only as a sorcery.