Shadows over Innistrad Prized Amalgam > < Nahiri, the Harbinger
Olivia, Mobilized for War
Legendary Creature — Vampire Knight (CMC:3)
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.
248 SOI • ENEric Deschamps
™ & © 1993—2016 Wizards of the Coast
Notes: TODO: Update Copyright
Legal in: Modern,Shadows over Innistrad Block,Legacy,Vintage,Commander
Oracle Text (click to copy):
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4/8/2016 You decide whether to discard a card as the triggered ability of Olivia, Mobilized for War resolves. If you do, the rest of the ability’s effects happen before any player may take actions. 4/8/2016 If the entering creature leaves the battlefield before the triggered ability of Olivia, Mobilized for War resolves, you may still discard a card. The rest of the ability has no effect. 4/8/2016 If you discard a card, the creature only gains haste until end of turn, but the +1/+1 counter and Vampire subtype remain indefinitely.
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