Artista: Jason Felix

As Herald’s Horn enters the battlefield, choose a creature type.
Creature spells you cast of the chosen type cost less to cast.
At the beginning of your upkeep, look at the top card of your library. If it’s a creature card of the chosen type, you may reveal it and put it into your hand.

Enchant creature
At the beginning of your upkeep, enchanted creature’s controller sacrifices it and you create a 1/1 colorless Myr artifact creature token.

Return target creature you control and target creature you don’t control to their owners’ hands.

Flash
Adaptive Shimmerer enters the battlefield with three +1/+1 counters on it.

Whenever a creature you control mutates, put a +1/+1 counter on that creature and you gain 2 life.

: Add .
, , Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle your library.

: Target player mills a card. (They put the top card of their library into their graveyard.)
, , Sacrifice Codex Shredder: Return target card from your graveyard to your hand.

, Sacrifice a creature: Each opponent loses 1 life and you gain 1 life.

At the beginning of combat on your turn, if you control another creature with power 4 or greater, put a +1/+1 counter on Nessian Hornbeetle.

Choose one —
• Target opponent sacrifices a creature.
• Target opponent sacrifices an enchantment.

: Death-Hood Cobra gains reach until end of turn.
: Death-Hood Cobra gains deathtouch until end of turn.

When you cast this spell, you may return target creature card from your graveyard to the battlefield.
Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

As Herald’s Horn enters the battlefield, choose a creature type.
Creature spells you cast of the chosen type cost less to cast.
At the beginning of your upkeep, look at the top card of your library. If it’s a creature card of the chosen type, you may reveal it and put it into your hand.

Destroy target artifact or enchantment with converted mana cost 4 or less.

Ascend (If you control ten or more permanents, you get the city’s blessing for the rest of the game.)
Draw two cards. If you have the city’s blessing, draw three cards instead.

: Monstrosity 4. (If this creature isn’t monstrous, put four +1/+1 counters on it and it becomes monstrous.)
As long as Skittering Crustacean is monstrous, it has hexproof. (It can’t be the target of spells or abilities your opponents control.)

Vigilance
When Intrusive Packbeast enters the battlefield, tap up to two target creatures your opponents control.

When Perilous Myr dies, it deals 2 damage to any target.

Each player sacrifices all permanents they control that are one or more colors.

Return target creature you control and target creature you don’t control to their owners’ hands.

If you would draw a card while your library has no cards in it, you win the game instead.

Put a +1/+1 counter on each creature you control.
Adamant — If at least three white mana was spent to cast this spell, creatures you control gain vigilance until end of turn.

When Corridor Monitor enters the battlefield, untap target artifact or creature you control.

You may have Wall of Stolen Identity enter the battlefield as a copy of any creature on the battlefield, except it’s a Wall in addition to its other types and has defender. When you do, tap the copied creature and it doesn’t untap during its controller’s untap step for as long as you control Wall of Stolen Identity.

Trample
When Ethereal Elk enters the battlefield, you may search your library and/or graveyard for a card named Vivien, Nature’s Avenger, reveal it, and put it into your hand. If you search your library this way, shuffle it.