No more attacking for you!

Sunburst (This artifact enters with a charge counter on it for each color of mana spent to cast it.) , Sacrifice this artifact: Destroy each nonland permanent with mana value equal to the number of charge counters on this artifact.

All creatures get -1/-1.

Flying Wither (This deals damage to creatures in the form of -1/-1 counters.) Creatures your opponents control with counters on them can't attack or block.

Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may return that card to the battlefield under your control.