Meet and Greet "Sisay" (Unfinity)

Legendary Creature Ñ Elf Performer - Whenever you cast a spell, choose one Ñ
¥ Flavor Ñ Meet and Greet "Sisay" gets +1/+1 until end of turn for each line of flavor text that spell has.
¥ History Ñ Create a Treasure token if that spell doesn't share an expansion symbol with a permanent you control or a card in your graveyard.