Sauron, the Necromancer (Showcase) WAR then put a number of

then put a number of +1/+1 counters on it equal to the greatest mana value among those cards

Sacrifice another creature: Search your library for a creature card with mana value X or less

and you may cast the copy without paying its mana cost

you may search your library for an artifact card

look at the top five cards of your library and separate them into a face-down pile and a face-up pile

Sauron, the Necromancer (Showcase) WAR then put a number ofMenace Whenever Sauron attacks, exile target creature card from your graveyard. Create a tapped and attacking token that's a copy of that card, except it's a 3 3 black Wraith with menace. At the beginning of the next end step, exile that token unless Sauron is your Ring bearer.