When this creature enters, return a blue or black creature you control to its owner's hand.
When this creature enters, each player discards a card.

Haste (This creature can attack and as soon as it comes under your control.)

As an additional cost to cast this spell, you may reveal a Dragon card from your hand.
Target player sacrifices a creature of their choice. If you revealed a Dragon card or controlled a Dragon as you cast this spell, you gain 4 life.

You draw two cards, lose 2 life, then create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this token: Draw a card.")

Defender
Your maximum hand size is increased by one.

: Add .
, : Add one mana of any color.
Cycling (, Discard this card: Draw a card.)

Untap target creature. It gets +2/+4 and gains reach until end of turn. (It can block creatures with flying.)

Enchant creature
Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)
Whenever enchanted creature attacks, its controller loses 2 life and you gain 2 life.

Destroy all artifacts. They can't be regenerated.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Destroy target artifact or creature. It can't be regenerated.

When this creature enters, target opponent discards a card.

Tap up to two target creatures.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When this creature enters, it deals damage to any target equal to the number of creatures you control.
: This creature gets +1/+0 until end of turn.
: This creature gets +0/+1 until end of turn.

When this creature dies, create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")
Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Destroy all creatures with flying.

Exile up to three target cards from a single graveyard.
Cycling (, Discard this card: Draw a card.)

Whenever Jerren enters or another nontoken Human you control dies, you lose 1 life and create a 1/1 white Human creature token.
: Target Human you control gains lifelink until end of turn.
At the beginning of your end step, if you have exactly 13 life, you may pay . If you do, transform Jerren.

Flying
When this creature enters, return up to one target non-Faerie, nonland permanent you control to its owner's hand. If a permanent was returned this way, put a +1/+1 counter on this creature.

You may pay rather than pay this spell's mana cost.
If the cost was paid, an opponent chooses up to two nonland permanents they control and returns them to their owner's hand.
Destroy all nonland permanents.