Akshay, Urza's Loyal Feline

Hexproof, Lifelink
{u}, {t}: This spell can't be countered. Counter
target spell. Opposing players place one basic
land in their graveyard and exile one nonland
permanent.
{5}{w}{u}{b}: Akshay, Urza's Loyal Feline ends
the game. The player with the most cards in
their library wins.