Tuilelaith, the Jump-Shark

Whenever a player casts their first spell
each turn or draws their second card each
turn, they create a 3/3 blue Shark Illusion
creature token with flying and "When this
creature becomes the target of a spell or
ability, sacrifice it."
{t}: Target creature.
Artwork source:
https://www.artstation.com/artwork/Oy54Be