Battle of Wits

At the beginning of your upkeep, if you have 200 or more cards in your library, you win the game.

Darksteel Relic

Indestructible (Effects that say "destroy" don't destroy this artifact.)

Scornful Egotist

Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

One with Nothing

Healer's Headdress

Equipped creature gets +0/+2 and has "{T}: Prevent the next 1 damage that would be dealt to any target this turn."
{W}{W}: Attach this Equipment to target creature you control.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Great Wall

Creatures with plainswalk can be blocked as though they didn't have plainswalk.

Phylactery Lich

Indestructible
As this creature enters, put a phylactery counter on an artifact you control.
When you control no permanents with phylactery counters on them, sacrifice this creature.