Argent Sphinx [Modern Masters 2015] Urza's Legacy Promos Whenever Bojuka Brigand or another

Whenever Bojuka Brigand or another Ally enters the battlefield under your control

Set: Time Spiral Timeshifted Type: Creature — Human Rarity: Rare Cost: {U} Flying

sleeper agent

Set: Planar Chaos Type: Instant Rarity: Uncommon Cost: {2}{U}{U} Counter target spell

" —*The Bible*

Argent Sphinx [Modern Masters 2015] Urza's Legacy Promos Whenever Bojuka Brigand or anotherSet: Modern Masters 2015 Type: Creature Sphinx Rarity: Rare Cost: {2}{U}{U} Flying Metalcraft {U}: Exile Argent Sphinx. Return it to the battlefield under your control at the beginning of the next end step. Activate only if you control three or more artifacts. A great mirage, a dream of wings and silver.