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, each of those creatures gets +1/+1.

Flying
When this creature enters, look at the top four cards of your library. You may reveal an artifact or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

When this creature enters, destroy target artifact or enchantment an opponent controls.

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Flying, lifelink
Whenever you cast your second spell each turn, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

You may have this creature assign its combat damage as though it weren't blocked.

Whenever a player sacrifices a permanent, this creature deals 1 damage to any target.

As this creature enters, straighten your arms.
When you bend an elbow, sacrifice this creature.

Flying, vigilance
Creature tokens you control have flying and vigilance.
Embalm (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Bird Warrior with no mana cost. Embalm only as a sorcery.)

You may play an additional land this turn.
Draw a card.

Visit — Creatures you control get +1/+0 until end of turn.

Target creature gets +7/+7 until end of turn.

When this creature enters, creatures you control get +2/+1 until end of turn.

Equipped creature gets +1/+0 for each blood counter on this Equipment and has ", Sacrifice a creature: Put a blood counter on Rakdos Riteknife."
, Sacrifice this Equipment: Target player sacrifices a permanent of their choice for each blood counter on this Equipment.
Equip

Vanishing 3 (This creature enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
When this creature dies, if it had no time counters on it, create a 6/1 green Insect creature token with shroud. (It can't be the target of spells or abilities.)

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, : Target opponent exiles the top card of their library. You may play that card this turn.

Destroy target artifact or land.

If a hot source you control would deal damage to a permanent or player, it deals that much damage plus 1 instead. (Something is hot if it has hot things in its art, like fire or explosions.)
, Sacrifice this enchantment: It deals damage equal to twice the number of hot cards in your graveyard to target creature or planeswalker.