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Wave 1: Wave One
Number: 044
Rare
0★
+1
Put on Autobots only. While this is on a Leader

🠪 Each of your other characters has +1

and
Pierce 1.
I play a Decepticon LEADER Body with an Autobot Head. Can I equip Matrix of Leadership to this character? If yes, does the Matrix's 'While on a Leader' ability function?
Card requirements are inclusive, not exclusive. This character fulfills both the AUTOBOT and LEADER requirements on Matrix of Leadership, so you may play the card on the character and the 'While on a Leader" ability will function.
Source: Rules Roundup 2020-06-10
Can you put Matrix of Leadership on Wreck-Gar?
Yes, you can put Matrix on either Wave 8 or Wave 9 Wreck-Gars as they are each both Autobot and Junkion. As with the Noble Blaster, an upgrade saying "Put on Autobots only" does not care if the character has other factions, just that it is an Autobot.
Source: Aequitas Rules Roundup Allied Crossplay 2022-09-15
What happens if my opponent plays a Belligerence, I reveal DaD, and I flip a Matrix of Leadership and Master of Metallikato on defense?
Belligerence would turn this flip of normally [OU, (OUB)] to [OO, (OOB)], meaning that you only flipped 2 colors on defense--Orange and Black, regardless of your character’s tratis--and would thus get +2 DEF for that battle.
Source: ATP:Alpha Trion Protocols Wave 3 FAQ
While in bot mode, Rodimus only gets the bonus once, regardless of how many copies of Matrix of Leadership he is upgraded with.
Source: AP Wave 9:ARK 1 [BETA] FAQ
The Matrix of Leadership is taken from your deck before you draw your opening hand. Be sure to shuffle afterwards!
Source: AP Wave 9:ARK 1 [BETA] FAQ