Reveal the top four cards of your library. You may put a creature card from among them onto the battlefield. It gains "At the beginning of your end step, return this creature to its owner's hand." Then put the rest of the cards revealed this way on the bottom of your library in any order.

Graft 2 (This creature enters with two +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)

: Target creature with a +1/+1 counter on it gains reach until end of turn. (It can block creatures with flying.)

, Sacrifice Aurora Eidolon: Prevent the next 3 damage that would be dealt to any target this turn.

Whenever you cast a multicolored spell, you may return Aurora Eidolon from your graveyard to your hand.

Whenever a permanent is returned to your hand, you may pay . If you do, draw a card.

Flying, protection from enchantments

Azorius Herald can't be blocked.

When Azorius Herald enters, you gain 4 life.

When Azorius Herald enters, sacrifice it unless was spent to cast it.

, : Add .

Draw a card for each creature target player controls, then draw a card for each creature another target player controls.

(: Add or .)

As Blood Crypt enters, you may pay 2 life. If you don't, it enters tapped.

Sacrifice a creature. Return up to X cards from your graveyard to your hand, where X is the number of colors that creature was. Exile this card.

Choose a nonland card name. Target player reveals their hand. That player discards a card with that name. If they can't, you draw a card.

When a player other than Bronze Bombshell's owner controls it, that player sacrifices it. If the player does, Bronze Bombshell deals 7 damage to the player.

The next 1 damage that would be dealt to target creature this turn is dealt to another target creature instead.

Draw a card.

When Coiling Oracle enters, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

Vigilance

When Court Hussar enters, look at the top three cards of your library, then put one of them into your hand and the rest on the bottom of your library in any order.

When Court Hussar enters, sacrifice it unless was spent to cast it.

Double strike

When Crypt Champion enters, each player puts a creature card with mana value 3 or less from their graveyard onto the battlefield.

When Crypt Champion enters, sacrifice it unless was spent to cast it.

Graft 4 (This creature enters with four +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)

When Cytoplast Root-Kin enters, put a +1/+1 counter on each other creature you control with a +1/+1 counter on it.

: Move a +1/+1 counter from target creature you control onto Cytoplast Root-Kin.

Graft 6 (This creature enters with six +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)

: Target creature with a +1/+1 counter on it gains trample until end of turn.

Search your library for a multicolored card, reveal it, put it into your hand, then shuffle.

Flying

Hellbent — Demon's Jester gets +2/+1 as long as you have no cards in hand.

Create a 3/1 red Elemental creature token unless any opponent has you draw a card. Repeat this process two more times.

Trample

Dread Slag gets -4/-4 for each card in your hand.

Enchant permanent

At the beginning of your first main phase, add mana equal to enchanted permanent's mana cost. (Mana cost includes color. If a mana symbol has multiple colors, choose one.)

Protection from multicolored

, Sacrifice Entropic Eidolon: Target player loses 1 life and you gain 1 life.

Whenever you cast a multicolored spell, you may return Entropic Eidolon from your graveyard to your hand.

, : Tap target creature and put a +1/+1 counter on it. Until end of turn, that creature gains ": Double the number of +1/+1 counters on this creature."

Target player reveals two cards at random from their hand, then discards each nonland card revealed this way.

When another creature enters, sacrifice Flame-Kin War Scout. If you do, Flame-Kin War Scout deals 4 damage to that creature.

Cast this spell only during combat after blockers are declared.

Create a 1/1 green Saproling creature token that's blocking target creature attacking you.

Draw a card.

: Add .

, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Hellbent — As long as you have no cards in hand, Gobhobbler Rats gets +1/+0 and has ": Regenerate Gobhobbler Rats." (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

White spells you cast cost less to cast.

Blue spells you cast cost less to cast.

Spells your opponents cast cost more to cast.

, Sacrifice Haazda Exonerator: Destroy target Aura.

(: Add or .)

As Hallowed Fountain enters, you may pay 2 life. If you don't, it enters tapped.

Haste

When Hellhole Rats enters, target player discards a card. Hellhole Rats deals damage to that player equal to that card's mana value.

Target player sacrifices an artifact or creature of their choice. Hit deals damage to that player equal to that permanent's mana value.

When Indrik Stomphowler enters, destroy target artifact or enchantment.

Flying

Whenever Isperia the Inscrutable deals combat damage to a player, choose a card name. That player reveals their hand. If a card with the chosen name is revealed this way, search your library for a creature card with flying, reveal it, put it into your hand, then shuffle.

Kill-Suit Cultist attacks each combat if able.

, Sacrifice Kill-Suit Cultist: The next time damage would be dealt to target creature this turn, destroy that creature instead.

Enchant land

Enchanted land has ", : Create a 2/2 green and blue Drake creature token with flying."

, Sacrifice a creature: Lyzolda, the Blood Witch deals 2 damage to any target if the sacrificed creature was red. Draw a card if the sacrificed creature was black.

, : Untap target creature that has an activated ability with in its cost.

( can be paid with either or .)

: Tap target creature.

Whenever you cast a green creature spell, you may search your library for a creature card, reveal it, then shuffle and put that card on top.

Whenever you cast a blue creature spell, reveal the top card of your library. If it's a creature card, put that card into your hand.

Enchant creature

Whenever enchanted creature attacks or blocks, its controller loses 3 life.

: Enchanted creature attacks this turn if able.

, Discard a card: Target opponent loses 1 life and you gain 1 life.

Hellbent — , Pay 2 life: Draw a card. Activate only if you have no cards in hand.

: Add .

, : Put a +1/+1 counter on each creature that entered this turn.

Flip a coin. If it comes up heads, counter target instant or sorcery spell. If it comes up tails, copy that spell and you may choose new targets for the copy.

: Target creature becomes a Frog with base power and toughness 3/3 until end of turn.

Whenever an opponent is dealt 3 or more damage by a single source, that player discards a card.