Mystic Denial [Portal Three Kingdoms] Modern Horizons −9: You get an emblem

−9: You get an emblem with "Whenever you cast a spell

Set: The List Type: Enchantment Rarity: Rare Cost: {2}{W}{W} Fading 5 (This enchantment enters the battlefield with five fade counters on it

Set: Mystery Booster Type: Legendary Creature — Human Shaman Rarity: Rare Cost: {2}{G} Whenever you cast a legendary spell

then discard four cards

Perhaps the creature enjoys the gentle rocking motion caused by its captives' struggles to escape its web

Mystic Denial [Portal Three Kingdoms] Modern Horizons −9: You get an emblemSet: Portal Three Kingdoms Type: Instant Rarity: Uncommon Cost: {1}{U}{U} Counter target creature or sorcery spell.