Brandon, Caller of the Tides

{t}, Tap an untapped island you control: Shuffle
3 High Tide cards into your library.
Whenever you cast a High Tide spell, put a tide counter on this creature and it gains hexproof
until end of turn.
You win the game if there are 16 or more tide counters on Brandon, Caller of the Tides.
16 lands is plenty when you have three High Tides.