
(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 The Battle of Dragon Brothers Enters, choose Bolas or Ugin.
• Bolas — Destroy all creatures.
• Ugin — ManifestManifestLook at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card. the top three cards of your library.
I — (Bolas) Each opponent discards their hand. You draw seven cards.
I — (Ugin) ManifestManifestLook at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card. your hand, then draw seven cards.
II — (Both) Create a token that's a copy of any Elder Dragon from the Legends expansion.
III — (Both) Exile Fate Reforged, then return it to the battlefield (Front face up).
Hover an underlined rule to see what it means.
Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.