Enchant creature
Enchanted creature gets +2/+2 for each other creature on the battlefield that shares a creature type with it.

When Alpharael enters, draw two cards. Then discard two cards unless you discard an artifact card.
During your turn, Alpharael has deathtouch.

Ward — Discard a card at random.
Void — Whenever Alpharael attacks, if a nonland permanent left the battlefield this turn or a spell was warped this turn, defending player loses half their life, rounded up.

Partner with Alisaie Leveilleur
Vigilance
Eukrasia — Whenever you cast your second spell each turn, draw a card.

When this creature enters, you may search your library for a Mountain card, put that card onto the battlefield tapped, then shuffle.
This creature attacks each combat if able.
When this creature leaves the battlefield, sacrifice a Mountain.

When this creature enters, you may search your library for a card named Alpine Watchdog and/or a card named Igneous Cur, reveal them, put them into your hand, then shuffle.
Whenever this creature attacks, it gets +X/+0 until end of turn, where X is the number of other attacking creatures.

This land enters tapped.

As this enchantment enters, choose a nonbasic land card name.
Lands your opponents control with the chosen name lose all land types and abilities, and they gain ": Add one mana of any color."

Vigilance
When Alquist Proft enters, investigate.
, , Sacrifice a Clue: You draw X cards and gain X life.

Alrund gets +1/+1 for each card in your hand and each foretold card you own in exile.
At the beginning of your end step, choose a card type, then reveal the top two cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.

Create two 1/1 blue Bird creature tokens with flying. Take an extra turn after this one. Exile Alrund's Epiphany.
Foretell

Lifelink
, Sacrifice this creature: Target creature or enchantment you control gains protection from the color of your choice until end of turn.

Whenever a creature an opponent controls dies, this creature gets +2/+0 and gains first strike and haste until end of turn.

First strike
Whenever Altaïr attacks, exile up to one target Assassin creature card from your graveyard with a memory counter on it. Then for each creature card you own in exile with a memory counter on it, create a tapped and attacking token that's a copy of it. Exile those tokens at end of combat.

Trample
Whenever Altanak becomes the target of a spell or ability an opponent controls, draw a card.
, Discard this card: Return target land card from your graveyard to the battlefield tapped.

, , Exile a creature you control: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

As an additional cost to cast this spell, sacrifice a creature.
Search your library for a creature card, reveal it, put it into your hand, then shuffle.

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

At the beginning of the Horde's precombat main phase, reveal an additional card from the top of the Horde's library. The Horde casts that card.
Hero's Reward — When Altar of Mogis is put into a graveyard from anywhere, the Horde sacrifices two Minotaurs.

At the beginning of your first main phase, add for each charge counter on this artifact.
, : Destroy target creature. Then put a charge counter on this artifact.

Whenever another permanent you control enters, each opponent mills a card.

Whenever a creature you control attacks alone, it gets +X/+X until end of turn, where X is the number of card types among cards in all graveyards.
Lhurgoyf creatures you control have trample.

This artifact enters tapped.
: Add two mana in any combination of colors. Spend this mana only to cast spells with flashback from a graveyard.

Your devotion to each color and each combination of colors is increased by one.
: Add one mana of any color. If you control a God, a Demigod, or a legendary enchantment, you gain 1 life.