Wormwood

At the beginning your upkeep put a -1/-1 counter on each other creature.
Creatures with -1/-1 counters on them cannot attack or activate abilities.
{b}{g}{g}: Regenerate Wormwood and put a -1/-1 counter on target other creature.
"The third angel sounded his trumpet, and a great star, blazing like a torch, fell from the sky on
a third of the rivers and on the springs of water." -Revelation 8:10