Agatha of the Vile Cauldron (Promo Pack) [Wilds of Eldraine Promos] Human Faerie Set: War of the Spark

Set: War of the Spark Promos Type: Legendary Planeswalker — Yanggu Rarity: Uncommon Cost: {2}{G} Each creature you control with a +1/+1 counter on it has "{T}: Add one mana of any color

If a permanent's ability is countered this way

Set: Portal Three Kingdoms Type: Creature — Cat Rarity: Uncommon Cost: {2}{G} Whenever Trained Cheetah becomes blocked

Set: Alpha Edition Type: Instant Rarity: Uncommon Cost: {G} Cast this spell only before the combat damage step

Set: Modern Horizons 2 Type: Enchantment Rarity: Mythic Cost: {3}{G}{W} Creatures you control get +1/+1

Agatha of the Vile Cauldron (Promo Pack) [Wilds of Eldraine Promos] Human Faerie Set: War of the SparkSet: Wilds of Eldraine Promos Type: Legendary Creature Human Warlock Rarity: Mythic Cost: {R}{G} Activated abilities of creatures you control cost X less to activate, where X is Agatha of the Vile Cauldron's power. This effect can't reduce the mana in that cost to less than one mana. 4RG: Other creatures you control get +1 +1 and gain trample and haste until end of turn.