Some people haven't read all the Boom Comics issues and some fans have. Here is an easy guide to the 'new' Rangers or variations there of in Boom Comics and the Hyper Force roleplaying game series. Some minor spoilers ahead, thread lightly.
Identity: Tommy of another timeline
Zord: Black Dragon
His uniform is a combination of the White Ranger and Green Ranger as in his story he infused the powers of the White Ranger with his Green Ranger powers. The Drakkon name comes from an apprentice of Rita's that died and failed. In the Shattered Grid saga, he got powers from Samurai and upgraded his look, then he upgraded to Zeo.
Merchandice: PMC 6 Legacy figure, bust, Legacy Wars character
Various people in Drakkon's army gain the powers of the original rangers except for Blue as he never let him get the power. Skull ended up being one of them.
Of course there were Sentries of Pink and Yellow. Red and Yellow Sentry appeared in the Shattered Grid promo with Jason David Frank.
Black Sentry is seen a lot.
When Drakkon took the Samurai power in Shattered Grid, Sentries recieved the power.
When the Zeo power is taken away, we saw green Zeo sentries in the Shattered Grid saga.
Pink Ranger's team
Set place in MMPR Season 3, Kimberly fights Goldar and gets help from Zack and Trini. Also, Blue and Red were two French friends of hers, Britt and Serge, brother and sister. This occured in the mini series Power Rangers PINK.
Zordon recruited this team in 1969 to stop Psycho Green, three of them died. Red Ranger/Grace Sterling, Blue Ranger/Nikolai Chukarin, Black Ranger/Jamie Gilmore, Yellow Ranger/Terona Washington, and Pink Ranger/Daniel O'Halloran.
Sent by Dark Specter to let go Rita.
Merchandise: SDCC 2018 Legacy figure
Name for Deathryuger, known as fans as Talon Ranger, he will appear in Beyond the Grid saga.
Role-playing game series starring HyperForce Red/Marvin Shih (Peter Sudarso), HyperForce Blue /Eddie Banks (Andre Meadows ), HyperForce/Yellow Jack Thomas (Paul Schrier), HyperForce Black/Vesper Vasquez (Cristina Vee), HyperForce Pink/Chloe Ashford (Meghan Camarena), and HyperForce Green/Time Force Silver/Joe Shih (Yoshi Sudarso). They appear in a recent issue of Power Rangers and the cover of another issue.