Shell Lord, First Of Kin

Hexproof
Landfall — Whenever a land enters the
battlefield under your control, create a 1/1 green Turtle creature token with Defender. Then if
this is the third time this ability has resolved,
create a token that's a copy of target Turtle
creature you control.
Turtles you control get +X/+X, where X
is the number of turtles you control.