exile cards from the top of your library until you exile a nonland card that costs less
Discard a card with mana value X: Counter target spell with mana value X
No more than one creature can attack each combat
Sacrifice three other creatures: Exile Elesh Norn
Swampwalk (This creature can't be blocked as long as defending player controls a Swamp
Atraxa, Grand Unifier Finish:Foil exile cards from the topFlying, vigilance, deathtouch, lifelink When Atraxa enters, reveal the top ten cards of your library. For each card type, you may put a card of that type from among the revealed cards into your hand. Put the rest on the bottom of your library in a random order. (Artifact, battle, creature, enchantment, instant, land, planeswalker, and sorcery are card types.)