Toski, Bearer of Secrets is a rare Legendary Creature — Squirrel card from Murders at Karlov Manor Commander (MKC), collector number 191. Current market price: $7.91, TCGplayer market prices via Scryfall.
This spell can't be countered. Indestructible Toski attacks each combat if able. Whenever a creature you control deals combat damage to a player, draw a card.