Then for each creature card you own in exile with a memory counter on it, create a tapped and attacking token thats a copy of it
There are a few important things to keep in mind with Mahdi
All MTG cards depend on the context in which they're played, the formats they're available in, and the other cards that help to make them sing
(Exodia OTK) Aims to bring out an "Exodia" boss monster, which either has its own alternate win condition, or is intended to help beat the opponent through regular means
These are "straight pick-ups", meaning that Wizards of the Coast literally used the original card file to print them
The alternate commander is Xolatoyac, the Smiling Flood, which is slightly off-theme here, but it has already captured the hearts of many (I mean, look at that smile)