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Chandra, Spark Hunter

Legendary Planeswalker — Chandra

At the beginning of combat on your turn, choose up to one target Vehicle you control. Until end of turn, it becomes an artifact creature and gains haste. +2: You may sacrifice an artifact or discard a card. If you do, draw a card. 0: Create a 3/2 colorless Vehicle artifact token with crew 1. −7: You get an emblem with "Whenever an artifact you control enters, this emblem deals 3 damage to any target."