Siphon Power 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.) Choose a battlefield. Give friendly units there +1 {might} this turn and enemy units there -1 {might} this turn, to a minimum of 1 {might}.
[反应]（可在任意时机打出，甚至先于其他法术和技能的结算。） 选择一个战场，让该处的所有友方单位{might}+1，而敌方单位{might}-1，不得低于1{might}，直到回合结束。