Trueheart Twins [Amonkhet]

Set Name:  Amonkhet Rarity, #: Uncommon, #153 Card Type: Creature — Jackal Warrior P / T: 4 / 4 Card Text: You may exert Trueheart Twins as it attacks. (It won't untap during your next untap step.) Whenever you exert a creature, creatures you control get +1/+0 until end of turn. Flavor Text: Shoulder to shoulder until blade must turn against blade.