Yishi, Mother of the Cetacea

Eminence-Whales have Pod 3: {t} three untapped whales you control: create a 1/1 Whale Pup token with: at the beginning of your upkeep put one age counter on this creature, when this creature as 3 age counters on it sacrifice it and put target target whale from your graveyard on the battlefield.

When it's your turn whales you control have hexproof and Islandwalk.