Ready.

When this enters the field: draw a card.

Cast when a creature you control is attacked: enchant that creature.
Enchanted creature gains +0 / +4.
At the start of your turn: destroy this.

Destroy a creature you control; if you do, destroy a creature your opponent controls.

Equip to a creature. It gains +1 / +1 and "cannot be targeted by spells".

Draws attacks.

Cast when a creature deals damage.
Reduce that damage by 3.

Equip to a friendly creature. It gains +2 / +1. When this would be destroyed, place it on the top of your deck.

Cast when your opponent summons a creature during your turn.
Exile that creature.

Play when a creature you control is attacked.
Return that creature to your hand; exhaust all other creatures.

Equip to a creature. It gains +2 / +2 and ethereal.

Draws attacks. When this is destroyed, you may place it on the top of your deck.

Summon two 0 / 1 Bubble creature tokens.

When this enters the field: Attach three cards from the top of your deck to this. Detach to the top of your deck (in any order).
: Summon a 1 / 1 Messenger Raven token. Detach one card; if no cards remain, destroy this.

When this is destroyed: return it to your hand.