Magic, the Ominous Sign

+8: Your opponents get an emblem with "At the beginning of your upkeep, this emblem deals 5 damage to you unless you sacrifice a permanent."
+4: Put 5 poison counters on target opponent. (A player with 10 or more poison counters loses the game.)
+1: Put a loyalty counter on each planeswalker you control. You get an emblem with "Permanents you control have hexproof."