Grand Strategem is a Riftbound card. Compare listings from Singapore Riftbound sellers on CardJio, then jio them on WhatsApp.
[Action] (Play on your turn or in showdowns.) Give friendly units +5 {might} this turn.
[迅捷]（可在你的回合或法术对决中打出。） 在本回合内，让所有友方单位{might}+5。