Flying At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}. Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.
[+3]: Destroy target noncreature permanent. [–2]: Gain control of target creature. [–9]: Nicol Bolas, Planeswalker deals 7 damage to target player or planeswalker. That player or that planeswalker's controller discards seven cards, then sacrifices seven permanents of their choice.
Whenever a source you control deals damage to another player, put that many theft counters on Night Dealings. {2}{B}{B}, Remove X theft counters from Night Dealings: Search your library for a nonland card with mana value X, reveal it, put it into your hand, then shuffle.
"How can we wage war against ourselves? What happens when the kami of our very souls rise against us? I answer simply: We cannot. We die. There can be no victory in this war." —Sensei Hisoka, letter to Lord Konda
{R}, {T}: Nightfall Predator fights target creature. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Nightfall Predator.
Kicker {2}{U} and/or {2}{R} When Nightscape Battlemage enters, if it was kicked with its {2}{U} kicker, return up to two target nonblack creatures to their owners' hands. When Nightscape Battlemage enters, if it was kicked with its {2}{R} kicker, destroy target land.
First strike When Nightshade Assassin enters, you may reveal X black cards in your hand. If you do, target creature gets -X/-X until end of turn. Madness {1}{B}