Daxos's Torment [Commander 2015] Human Shaman Ally Creatures with flying your opponents

Creatures with flying your opponents control get -1/-0

Set: Visions Type: Creature — Dragon Rarity: Rare Cost: {2}{R}{R}{G}{G} Flying

Set: Dragon's Maze Type: Sorcery Rarity: Common Cost: {1}{U} You may tap or untap target permanent

Priest of Norn

But I like this one

Daxos's Torment [Commander 2015] Human Shaman Ally Creatures with flying your opponentsSet: Commander 2015 Type: Enchantment Rarity: Rare Cost: {3}{B} Constellation Whenever Daxos's Torment or another enchantment enters the battlefield under your control, Daxos's Torment becomes a 5 5 Demon creature with flying and haste in addition to its other types until end of turn. The terrors of the Underworld travel alongside those who return to the mortal realm.