Resources

Magic: The Gathering Oracle Changes

Ravnica: City of Guilds to Guildpact (Single Change View)

New cards

Old card (Ravnica: City of Guilds) New card (Guildpact)

Nivix, Aerie of the Firemind

Land

{T}: Add {1} to your mana pool.

{2}{U}{R}, {T}: Remove the top card of your library from the game. Until your next turn, you may play that card if it's an instant or sorcery.