Frost Breath

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

Island

Vodalian Arcanist

{T}: Add {C}. Spend this mana only to cast an instant or sorcery spell.

Thriving Isle

Thriving Isle enters tapped. As it enters, choose a color other than blue.
{T}: Add {U} or one mana of the chosen color.

Wizards

Read the Tides

Choose one —
• Draw three cards.
• Return up to two target creatures to their owners' hands.

Sage's Row Savant

Talrand's Invocation

Create two 2/2 blue Drake creature tokens with flying.

Exclusion Mage

When Exclusion Mage enters, return target creature an opponent controls to its owner's hand.

Befuddle

Target creature gets -4/-0 until end of turn.
Draw a card.

Winged Words

This spell costs {1} less to cast if you control a creature with flying.
Draw two cards.

Talrand, Sky Summoner

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

Wizard's Retort

This spell costs {1} less to cast if you control a Wizard.
Counter target spell.

Shipwreck Dowser

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
When Shipwreck Dowser enters, return target instant or sorcery card from your graveyard to your hand.