Ellywick Tumblestrum (Adventures in the Forgotten Realms 181) - Mythic

: Venture into the dungeon. (Enter the first room or advance to the next room.)
: Look at the top six cards of your library. You may reveal a creature card from among them and put it into your hand. If it's legendary, you gain 3 life. Put the rest on the bottom of your library in a random order.
: You get an emblem with "Creatures you control have trample and haste and get +2/+2 for each differently named dungeon you've completed."