The best resources to utilize are the community and the players themselves, as well as other speculators, so Ive been looking at initial decklists on EDHREC and scouring places like Twitter, Reddit and the QS Discord for insight into just what these new cards might do to Commander and the market
If you do not control 2 or more of the same card types (Ritual, Fusion, Synchro, Xyz, or Link), all Ritual, Fusion, Synchro, Xyz, and Link Monsters you currently control gain 500 ATK
Mega Raizas summoning condition for one tribute makes it much more effective than any other 2 tribute you could be running in the deck
The above cards all grant one form or another of these abilities, and nothing else
It also only redirects the damage that was going to be dealt to you from that source, so if that damage was going to deal damage elsewhere too, it still will