Olivia, Mobilized for War [SOI - 248]

• Set: Shadows over Innistrad
• Number: 248
• Rarity: Mythic

Rules Text:

Flying


When 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.