Magic the Gathering has done a lot of crossover sets this year, and even one with Warhammer 40k
(2020-11-10) If your Commander deck has two commanders, you can only include cards whose own color identities are also found in your commanders' combined color identities
In addition to Pokemon cards, our tool supports creating trainer cards, supporter cards, and energy cards
It can also be 6/6 creature for only 4 mana once you have enough cards in the graveyard, with the ability to repeat its strong effect once it re-enters the battlefield and each time it attacks
While this is the simplest way to negate the downside, there are other more convoluted ways of negating the downside of Glorious End as well
If you have any sacrifice outlet in play, such as Phyrexian Altar, you can then generate card advantage by sacrificing opposing creatures