Other Merfolk creatures you control get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

: Add .

Flash

This spell can't be countered.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Return three lands you control to their owner's hand: Return Pearl Lake Ancient to its owner's hand.

This spell costs less to cast if you control an Otter.

Draw two cards.

Lifelink

Enchantment spells you cast have affinity for Auras. (They cost less to cast for each Aura you control.)

Whenever you cast an Aura spell that targets a modified permanent you control, draw a card. (Equipment, Auras you control, and counters are modifications.)

You may choose not to untap Pearlspear Courier during your untap step.

, : Target Soldier creature gets +2/+2 and has vigilance for as long as Pearlspear Courier remains tapped.