Limyra, Triton Conqueror

Whenever a Merfolk you control deals combat
damage to a player, put a +1/+1 counter on
Limyra, Triton Conqueror.
Remove three +1/+1 counters from Limyra,
Triton Conqueror: Choose one —
• Create a 1/1 blue Merfolk Soldier token.
• Search your library for a land card, reveal it,
put it into your hand, then shuffle your library.
• Return target Merfolk you control to its
owner's hand.