You may exile a blue card from your hand rather than pay this spell's mana cost.

Change the target of target spell with a single target.

You may discard an Island card and another card rather than pay this spell's mana cost.

Counter target spell.

Counter target spell. You may cast a spell that shares a card type with it from your hand without paying its mana cost.

You may return three Islands you control to their owner's hand rather than pay this spell's mana cost.

Counter target spell.

If an opponent cast three or more spells this turn, you may pay rather than pay this spell's mana cost.

Exile any number of target spells.

If an opponent searched their library this turn, you may pay rather than pay this spell's mana cost.

Target opponent mills thirteen cards.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.

Draw two cards.

Counter target spell. You may cast a spell with equal or lesser mana value from your hand without paying its mana cost.

This spell costs less to cast for each artifact you control and each artifact card in your hand.

Counter target noncreature spell.

Exile target spell, then roll a d20 and add that spell's mana value.

1—14 | You may cast the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.

15+ | You may cast the exiled card without paying its mana cost for as long as it remains exiled.

If an opponent had two or more creatures enter the battlefield under their control this turn, you may pay rather than pay this spell's mana cost.

Return two target creatures to their owners' hands.

Look at target opponent's sideboard. You may cast a card from that sideboard without paying its mana cost.

Exile Command the Chaff.

Exile target nonland card in a graveyard that was put there from anywhere this turn. Copy it. You may cast the copy without paying its mana cost.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.

Tap all creatures.

Counter target spell. You may shuffle up to one target card from your graveyard into your library.

As an additional cost to cast this spell, you may reveal a Dragon card from your hand.

If you revealed a Dragon card or controlled a Dragon as you cast this spell, this spell can't be countered.

Draw four cards.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may shuffle up to four target cards from your graveyard into your library.

Counter target spell. If that spell is countered this way, its controller may put a creature card from their hand onto the battlefield.