Invoke the Ancients (Promo Pack) [Kamigawa: Neon Dynasty Promos] Map Whenever a land's ability causes

Whenever a land's ability causes you to add one or more mana of the chosen color

you may cast an instant or sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost

so did the assassin

Set: Jumpstart 2022 Type: Creature — Vampire Warrior Ally Rarity: Common Cost: {4}{B} Whenever you gain life

Though imprisoned in Jaspera trees

Invoke the Ancients (Promo Pack) [Kamigawa: Neon Dynasty Promos] Map Whenever a land's ability causesSet: Kamigawa: Neon Dynasty Promos Type: Sorcery Rarity: Rare Cost: {1}{G}{G}{G}{G} Create two 4 5 green Spirit creature tokens. For each of them, put your choice of a vigilance counter, a reach counter, or a trample counter on it. After large sections were clear cut to build Towashi, the once peaceful Jukai Forest grew violently hostile to outsiders.