and the ONI card is.......

Games Halo 5: Guardians
1

It’ll be a phaeton painted green and it’ll be called the Phalcon.

2

Nice try.
Watch as the ONI card end up being a weapon skin.

3

Ha XD clever

4

Ha!

5

The ONI card is literally a card that has the ONI emblem on it.

You equip it on your Spartan’s chestpiece, and it makes you officially the master of ONI secrets.

6

I just hope it’s at least related to Reach.