Olivia, Mobilized for War [Shadows over Innistrad Prerelease Promos] Maximum Gold you can pay 500 Life

you can pay 500 Life Point to add 1 "Volcanic Shell" from your Deck to your hand

Set: Urza's Destiny Promos Type: Creature — Human Cleric Rarity: Rare Cost: {2}{W}{W} When False Prophet dies

or Extra Deck

This card cannot be Special Summoned except by removing from play 3 LIGHT Fairy-type monsters and 1 DARK Fiend monster in your Graveyard

Both complement and antithesis to his older brother Urza

Olivia, Mobilized for War [Shadows over Innistrad Prerelease Promos] Maximum Gold you can pay 500 LifeSet: Shadows over Innistrad Prerelease Promos Type: Legendary Creature Vampire Knight Rarity: Mythic Cost: {1}{B}{R} Flying Whenever another creature enters the battlefield under your control, you may discard a card. If you do, put a +1 +1 counter on that creature, it gains haste until end of turn, and it becomes a Vampire in addition to its other types.