Chandra, Spark Hunter
From Aetherdrift set
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."
Rulings
- Emblems are colorless. This means that a permanent with protection from red can be the target of the emblem’s triggered ability.