Rivalry [Urza's Legacy] Aurochs you may discard all the

you may discard all the cards in your hand

Set: Champions of Kamigawa Type: Legendary Creature — Snake Monk Rarity: Rare Cost: {4}{G}{G} Other Snake creatures you control get +2/+2

Set: Dark Ascension Type: Artifact Rarity: Rare Cost: {1} Creature cards in graveyards and libraries can't enter the battlefield

After the Foundry Street riot

Those creatures don't untap during that player's next untap step

Rivalry [Urza's Legacy] Aurochs you may discard all theSet: Urza's Legacy Type: Enchantment Rarity: Rare Cost: {2}{R} At the beginning of each player's upkeep, if that player controls more lands than each other player, Rivalry deals 2 damage to them. The goblins revered it; the viashino defended it. Only Urza understood it.