In tournament, as long as you have at least one Basic Pokmon card in your deck, you can't be punished for playing an impossible evolution cards (like Riolu+Lucario with M Lucario- EX ), you would just have cards in your deck that you are not able to play under any circumstances (you can't put M Lucario- EX into play without Lucario- EX )
Sisay, Weatherlight Captain A true multicolor legends payoff, Sisay, Weatherlight Captain becomes stronger the more diverse your legendary board is and doubles as a tutor to bring more legends straight to the battlefield
Enter the Infinite draws your full library and places one card back in that zone to prevent you from losing unless someone forces you to draw a couple of times
It's an excellent infect commander, or for superfriends, or +1/+1 counters, and as the best proliferate commander in the game, Atraxa is one of your best choices for any of these themes