When Harvesting Blade enters the battlefield, target opponent exiles two cards from their hand.
Equipped creature gets +2/+1 and has “When this creature dies, you may cast a card exiled with Harvesting Blade with equal or lesser mana value without paying its mana cost.”
Equip {3}

Lifelink
Pay the equip cost of an Equipment you control: Return Gutwrenched Martyr from your graveyard to the battlefield with a finality counter on it. Attach that Equipment to it. Activate only as a sorcery.

Flash
Gulping Meqmaw's power is equal to the total number of permanents with flash you control and instant cards in your graveyard.
Whenever you cast a spell during an opponent's turn, mill two cards.

This spell costs {3} more to cast if it's your turn.
Target creature gets -2/-2 until end of turn. If it's your turn, it gets -5/-5 until end of turn instead.

Menace
Whenever Gelthis deals combat damage to a player, that player reveals their hand. You choose a nonland card from it. Exile that card until Gelthis leaves the battlefield.
Spellcharge 4

{1}{B}, Exile two permanent cards from your graveyard: Choose one —
• Create two 1/1 green Saproling creature tokens.
• Exile the top card of target opponent's library. You may play that card for as long as it remains exiled, and mana of any type can be spent to cast it.

Choose target card in a graveyard other than a basic land. Search its owner's graveyard, hand, and library for any number of cards with the same name as that card and exile them. You gain 1 life for each card exiled this way. That player draws a card for each card exiled from their hand this way.
Flashback {3}{B}

Return up to three target creature cards from graveyards to the battlefield under your control.
Flashback—{2}{B}{B}, Sacrifice three creatures.

As an additional cost to cast this spell, sacrifice a creature or exile two permanent cards from your graveyard.
Draw two cards.

When Deathcap Guardian enters the battlefield, exile any number of permanent cards from your graveyard. When you do, put X +1/+1 counters on Deathcap Guardian and up to one target creature gets -X/-X until end of turn, where X is the number of cards exiled this way.

Flash
Daggertooth Keelah can't block unless it entered the battlefield this turn.
{1}{B}, Exile a permanent card from your graveyard: Daggertooth Keelah gains indestructible until end of turn.

Whenever you attack, if Cursed Claymore entered the battlefield this turn, attach it to target attacking creature.
Equipped creature gets +2/+1. As long as equipped creature is a Ruin, it's a creature in addition to its other types.
Equip {2}

Choose one —
• Target creature gets +2/+0 and gains indestructible until end of turn.
• Target player sacrifices a creature.

Choose one. If this spell's flashback cost was paid, instead choose three and you may choose the same mode more than once.
• All creatures get -3/-3 until end of turn.
• Target player sacrifices a creature and a planeswalker.
• Target player discards two cards, then exiles their graveyard.
Flashback {7}{B}{B}

Flash
When Blightfang Zyxthax enters the battlefield, discard a card. If you do, it gains deathtouch until end of turn.

Deathtouch
If an opponent would lose life, they lose that much life plus 1 instead.
Spellcharge 3

Menace
Whenever you cast an artifact spell, each opponent loses 2 life.

As an additional cost to cast artifact spells, you may pay {2}. When you do, each opponent sacrifices an untapped creature.

Menace
When Askir enters the battlefield, each opponent loses life equal to the amount of life they've lost this turn.
Wander—{1}{B}{B}, Pay 4 life.

When Arduous Miners enters the battlefield, you may have all players discard a card.
Whenever one or more cards leave your graveyard, create a tapped Treasure token.

Menace
Spellcharge 3
You may cast Archaic Straggler from your graveyard if you've spent at least three mana to cast spells this turn.

Look at the top three cards of your library. Put one into your hand and the rest into your graveyard.
Flashback—{B}, Discard a card.

Target player reveals their hand. You choose a nonland card from it or a card from their graveyard. Exile that card. You lose 1 life.

Tap up to one target creature. Creatures you don't control don't untap during their controllers' next untap step.
Flashback {4}{U}

Whenever a creature entering the battlefield under your control causes an ability of a permanent you control to trigger, draw a card. This ability triggers only once each turn.