Karoo [Secret Lair: Angels] SM190 Whenever you activate an ability

Whenever you activate an ability of an artifact or creature that isn't a mana ability

Whenever a legendary creature enters the battlefield under your control

Set: Modern Horizons Type: Creature — Human Wizard Rarity: Uncommon Cost: {2}{U} When Tribute Mage enters the battlefield

Set: XY: Flashfire Type: Dragon Rarity: Promo Retreat cost: Colorless

Set: Summer Magic / Edgar Type: Creature — Specter Rarity: Uncommon Cost: {1}{B}{B} Flying

Karoo [Secret Lair: Angels] SM190 Whenever you activate an abilitySet: Secret Lair: Angels Rarity: Uncommon Karoo comes into play tapped. When Karoo comes into play, return an untapped plains you control to owner's hand or bury Karoo. T: Add W and one colorless mana to your mana pool.