Welcome to Valley is a common Plane — Bloomburrow card from Black Lotus Unknown Planechase (PUNK), collector number PLA038. Current market price: $29.99, TCGplayer market prices via Scryfall.
Whenever you cast an animal spell, draw a card. (Animals are any non-human creature types that are animals in real life.) Whenever Chaos ensues, create a token that's a copy of target creature you control, except it's a 1/1.