
Invasion of Ravnica
(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When this Siege enters, exile target nonland permanent an opponent controls that isn't exactly two colors.
//
Guildpact Paragon
Whenever you cast a spell that's exactly two colors, look at the top six cards of your library. You may reveal a card that's exactly two colors from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Invasion of Ravnica // Guildpact Paragon has 2 printings, first in March of the Machine (2023). EDHREC ranks it #14,486 among Commander cards. It has 17 official rulings.
Cards that show up in the same decks on EDHREC.