
TrampleTrampleExcess combat damage it deals to a blocker carries over to the player or planeswalker it's attacking.
When this creature enters, you take the initiativethe initiativeWhen you take the initiative you venture into the Undercity dungeon, and again at each of your upkeeps while you hold it. A player whose creatures deal combat damage to you takes the initiative from you..
Whenever this creature attacks, exile the top card of your library. If you've completed a dungeoncompleted a dungeonYou complete a dungeon when you finish its last room and it leaves the game. Cards can check whether you have done so this game., you may play that card this turn without paying its mana cost. Otherwise, you may play that card this turn.
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.
This card refers to dungeons. These are the dungeon cards you can venture into; taking the initiative always uses Undercity. Dungeons sit outside your deck, so you don't need to add them to it.