your opponent can reveal 1 Trap Card from their hand to negate this card's effect, otherwise you Special Summon that monster
The most simplistic, retro game design is from Patrick Star as Barktooth Warbeard, a 7-mana 6/5 with no rule text that has no idea what it's doing but is really just happy to be here (gosh, remember when we used to get vanilla creatures?)
Elesh Norn, Mother of Machines is a five-mana White 4/7 with vigilance, because youve gotta have vigilance to be a White legendary creature now
Our Dark Lord could not be something less
(Not really...) So, Gorz can instantly summon himself and another Powerful Monster, he can be easily summoned by other means such as Tribute Summon or by effects of other Cards, and he is practically a two for 1 card under highly risky conditions