Serra [Vanguard Series] Onslaught Whenever you tap a land

Whenever you tap a land for mana

Set: Urza's Legacy Type: Artifact Rarity: Rare Cost: {3} At the beginning of each opponent's upkeep

These hymns can last for days

The three wizards knew only that this isle held a great mystery—and that patience alone would solve it

{U}: Enchanted creature gains shroud until end of turn

Serra [Vanguard Series] Onslaught Whenever you tap a landSet: Vanguard Series Type: Vanguard Rarity: Rare Creatures you control get +0 +2. Named for a benevolent goddess at birth, Serra fulfilled the prophecy of that goddess's coming. As a planeswalker, she embodies white mana and helps whole civilizations develop while both directly and indirectly inspiring countless individuals to be steadfast and strong in the service of light.