
(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, create a Treasure tokenTreasure tokenA Treasure is an artifact token with ", Sacrifice this token: Add one mana of any color.". Then you may discard a card. If you do, draw a card.
TrampleTrampleExcess combat damage it deals to a blocker carries over to the player or planeswalker it's attacking.
When this creature enters, you may discard a card. If you do, search your library for a land or battle card, reveal it, put it into your hand, then shuffle.
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.