Temple of Zweilous

(Temple of Zweilous isn't a spell, it's affected by
summoning sickness, and it has "{t}: Add {b}.")
Temple of Zweilous is black.
Double strike (This creature deals both first-strike
and regular combat damage.)
"Those who hail Zweilous shall receive loads of good
stuff. Those who don't receive loads of ... um, bad
stuff."