It was called Magic: The Gathering - Duels of the Planeswalkers and it featured several of the Planeswalker characters that appear in the card game
Do not overfill: Exceeding the recommended card capacity may place excessive strain on the magnetic closure mechanism, thereby shortening its lifespan
But, having the ability to just run through your sagas chapters for 1 mana makes Sigurd super valuable
Its more likely, though, that it sees play as spell recursion in Grixis decks
Unlike damage-based sweepers, reducing toughness to zero causes creatures to die as a state-based action, making this the definitive answer to problematic indestructible threats that dominate late-game boards
I'm definitely jamming it into budget versions of Dralnu, Lich Lord and Kess, Dissident Mage