Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)
As long as this creature is paired with another creature, both creatures have lifelink.

, Sacrifice an artifact: Draw a card.

First strike, protection from red

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When this creature enters, choose target face-up exiled card. Its owner shuffles it into their library.

Target player shuffles up to three target cards from their graveyard into their library.
Draw a card.
When this card is put into your graveyard from your library, shuffle your graveyard into your library.

, , Sacrifice this creature: Return target creature card from your graveyard to the battlefield. That creature gains haste. At the beginning of the next end step, sacrifice it.

Whenever this creature attacks or blocks, other Humans you control get +1/+1 until end of turn.

Whenever equipped creature attacks, double its power until end of turn.
Equip

Flash
When this creature enters, return a green or white creature you control to its owner's hand.

: Until end of turn, target nonartifact creature gets +1/+0 and becomes an artifact in addition to its other types.

You may discard a Plains card rather than pay this spell's mana cost.
Destroy target artifact or enchantment.

Target player discards two cards. Then exile that player's graveyard.

, Sacrifice a creature: Target player reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

This creature can't be blocked as long as it's enchanted.

At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with this enchantment.

Enchant creature
Enchanted creature has flying and "Sacrifice a creature: This creature gets +2/+1 until end of turn."
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
When this enchantment enters, if it's on the battlefield, it becomes an Aura with "enchant creature put onto the battlefield with Necromancy." Put target creature card from a graveyard onto the battlefield under your control and attach this enchantment to it. When this enchantment leaves the battlefield, that creature's controller sacrifices it.

When this creature enters, you may return target artifact card from your graveyard to your hand.

, : Create a 2/2 colorless Shapeshifter creature token with changeling. (It is every creature type.)

At the beginning of your upkeep, Honden of Infinite Rage deals damage to any target equal to the number of Shrines you control.

Target opponent discards a card at random, then discards a card.

Enchant creature
Enchanted creature gets +2/+2 for each other enchantment on the battlefield.

Your opponents can't gain life.
−2: Create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target."

First strike
, : Attacking creatures gain first strike until end of turn.

Whenever a creature you control enters, you may destroy target artifact or enchantment.

When this creature enters, destroy target artifact.

Choose one or both —
• Counter target creature spell.
• Return target creature card from your graveyard to your hand.

When this creature dies, each player may search their library for a card and put that card into their hand. Then each player who searched their library this way shuffles.

Enchant player
Creatures enchanted player controls attack each combat if able.

Enchant land
Enchanted land has ": Create a 1/1 green Squirrel creature token."

Creatures can't attack you unless their controller pays for each creature they control that's attacking you.

First strike, vigilance, lifelink
Aura and Equipment spells you cast cost less to cast.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

White creature spells you cast cost less to cast.
Whenever you cast a creature spell, create a 1/1 white Warrior creature token with vigilance.

Deathtouch
Exploit (When this creature enters, you may sacrifice a creature.)
When this creature exploits a creature, target player draws two cards and loses 2 life.