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

Cast at will.
Immediately play a spell from your hand in reaction to this as though it had "Cast at will".

When either player casts a spell, exile that spell and destroy this.

When this enters the field, destroy all other weather spells; if you destroy any, draw a card.

Deal 2 damage to all creatures except creatures. Costs nothing if you control a weather spell.

Attach two cards at random from your opponent's hand to this. Detach to your opponent's hand.

Enchant a creature. It gains ethereal and has -1 / -0.

Enchant a creature. It gains "cannot attack". Draw a card.

When either player summons a creature, exile it. At the end of your turn, pay or destroy this.

creatures have +1 / +0.

When this enters the field, destroy all other spells.

Cast at will.
Destroy a creature; exhaust all creatures.

Ethereal. Cast at will.
Exile two cards from your opponent's mana.

Deal 2 damage to all enemy creatures. Return any creatures destroyed by this to your opponent's hand.

Cards added to either player's mana are exiled instead.

When you summon an creature, draw a card.

At the end of each player's turn, destroy all other spells and items on the field.

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

Deal 1 damage to all creatures. Draw a card.

Search for "Mikael, Heart of the Storm". Take 2 damage.

Burn 2.

Your opponent plays with their hand revealed.
Shuffle any number of cards from your hand into your deck; draw that many cards.

When this enters the field, search for a card.