Archfiend of Depravity
{3}{B}{B}
Creature -- Demon
5/4
Flying
At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.
Goblin Spymaster
{2}{R}
Creature -- Goblin Rogue
2/1
First strike
At the beginning of each opponent's end step, that player creates a 1/1 red Goblin creature token with "Creatures you control attack each combat if able."