Commence the Endgame [War of the Spark] Azra Ninja whenever either of those creatures

whenever either of those creatures deals combat damage

Set: Secret Lair Drop Series Type: Land Rarity: Rare Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest

Set: Innistrad: Crimson Vow Commander Type: Creature — Spirit Wizard Rarity: Rare Cost: {3}{U} Flying

and the hosts of Isengard roared in fear

Commence the Endgame [War of the Spark] Azra Ninja whenever either of those creaturesSet: War of the Spark Type: Instant Rarity: Rare Cost: {4}{U}{U} This spell can't be countered. Draw two cards, then amass X, where X is the number of cards in your hand. (Put X +1 +1 counters on an Army you control. If you don't control one, create a 0 0 black Zombie Army creature token first.) "Even gods shall kneel." Nicol Bolas