Yes, this is strange, and yes it kind of doesn't make sense, but I'm here to give you a little background about why this is the case and which application best suits your needs
Invest one mana into this card, and then get that mana back turn after turn, so long as the Llanowar Elves remain alive
They are stuck between a rock and a hard spot
Four mana for a 1/1 may seem like a terrible deal, but Toski can neither be countered nor destroyed
Update: A representative for Ravensburger reached out and confirmed that all of the cards in the D23 Expo Collectors Set will also appear in the initial set, Disney Lorcana: The First Chapter
This includes two preconstructed decks, designed to be played against each other as a way to learn the game