Lunar Boon is a Riftbound card. Compare listings from Singapore Riftbound sellers on CardJio, then jio them on WhatsApp.
[Reaction] (Play any time, even before spells and abilities resolve.) Discard 1, then draw 2.
[反应]（可在任意时机打出，甚至先于其他法术和技能的结算。） 弃置一张手牌，然后抽两张牌。