Tidal Bore

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.

Counter target spell unless its controller pays .

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

Return target creature to its owner's hand.

As an additional cost to cast this spell, return a creature you control to its owner's hand.

Counter target spell.

This spell costs less to cast if you control an artifact creature.

Return target nonland permanent to its owner's hand.

As an additional cost to cast this spell, return a land you control to its owner's hand.

Counter target spell.

Return target creature to its owner's hand. Then return another target creature to its owner's hand unless its controller pays .