How about double strike and extra combat
When it attacks, each opponent discards a card, so that dials up in power the more opponents you are facing
You would use your hand quickly to get your opponent on the ropes, then hammer them with the Scroll now that your mana wasn't busy
Power Word Kill Power Word Kill was one of the earliest previews of the set, and it took a minute for people to realize what it could do
I think Ive played against it a shockingly low amount of times, far lower than the amount of times Ive died to an Overrun effect
The way that it still threaded in the feel of Tarkirs new norm with its primary Dragon commander and the clans head back-up commander (the less-beloved but still interesting Kotis, Sibsig ChampionKotis, Sibsig Champion) was truly impeccable