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I also like how one of the ghosts is pointing like "DUDE, this is my side of the battlefield to haunt, get the heck over to your side!" I love Phyrexian Gremlins
There are also commanders that exploit life loss, with Ob Nixilis, Captive Kingpin, Valgavoth, Harrower of Souls, and Rakdos, Lord of Riots (its a very Rakdos-coded mechanic)
The best Elf commanders in MTG stand out because they push the tribe further than anything else available
Based on all of the MTG Final Fantasy spoilers so far, it seems like Chocobo decks will be the ones to beat