Xantcha [Vanguard Series] Elemental Energy When it is Special Summoned

When it is Special Summoned by this effect

Set: EX: Holon Phantoms Type: Water Rarity: Holo Rare Retreat cost: Colorless

Set: Planeshift Type: Sorcery Rarity: Rare Cost: {1}{B} As an additional cost to cast this spell

Set: Duels of the Planeswalkers Promos 2010 Type: Legendary Planeswalker — Liliana Rarity: Mythic Cost: {3}{B}{B} +1: Target player discards a card

and it is shuffled into the Deck when this card leaves the field

Xantcha [Vanguard Series] Elemental Energy When it is Special SummonedSet: Vanguard Series Type: Vanguard Rarity: Rare Sacrifice a permanent: Regenerate target creature. A Phyrexian "sleeper agent," Xantcha has developed an inviolate sense of self. This aberration earned her a death sentence, but she was rescued by Urza and joined his crusade. Her Phyrexian credo of "Waste not, want not" has helped Urza more than even he comprehends.