Whenever a Samurai or Warrior you control attacks alone, you may put a card from your hand on the bottom of your library. If you do, draw a card.

When Abu Ja'far dies, destroy all creatures blocking or blocked by it. They can’t be regenerated.

A-Cauldron Familiar can’t block.

When Cauldron Familiar enters the battlefield, each opponent loses 1 life and you gain 1 life.

Sacrifice a Food: Return Cauldron Familiar from your graveyard to the battlefield.

When Accursed Centaur enters the battlefield, sacrifice a creature.

As an additional cost to cast this spell, exile a creature card from your graveyard.

{1}{U}, Exile Cobbled Lancer from your graveyard: Draw a card.

{1}{B}, {T}: Target player loses 1 life.

When this creature enters the battlefield, roll a six-sided die. You gain life equal to the result.

{1}, {T}: Draw a card, then discard a card.

Whenever you cast a noncreature spell, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Delirium — As long as there are four or more card types among cards in your graveyard, Dragon’s Rage Channeler gets +2/+0, has flying, and attacks each combat if able.

Whenever a Samurai or Warrior you control attacks alone, it gets +1/+1 until end of turn.

As long as Futurist Operative is tapped, it’s a Human Citizen with base power and toughness 1/1 and can’t be blocked.

{2}{U}: Untap Futurist Operative.

{2}, {T}: Choose target opponent. Conjure a duplicate of the top card of their library into your hand. It perpetually gains “You may spend mana as though it were mana of any color to cast this spell.” Then they exile the top card of their library face down.

{R}: Add {B}.

When Haywire Mite dies, you gain 3 life.

{G}, Sacrifice Haywire Mite: Exile target noncreature artifact or noncreature enchantment.

Whenever Aisling Leprechaun blocks or becomes blocked by a creature, that creature becomes green. (This effect lasts indefinitely.)

Sacrifice a land: Akki Avalanchers gets +2/+0 until end of turn. Activate only once each turn.

{1}{R}, {T}, Sacrifice an artifact or land: Draw a card.

Landfall — Whenever a land enters the battlefield under your control, Akoum Hellhound gets +2/+2 until end of turn.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)