Other enchantments you control have shroud
It's a bit clunky, and it would be nice if there were a better, cheaper option that you could do at true flash speed without breaking the bank, but it is workable if you're willing to not have any mana rocks in your deck
With a modal triggered ability upon attacking, this beastie can throw down a tapped and attacking trampling Dino token or X lifelinking Vampire tokens based on the highest power among your other attacking creatures or the number of your other attacking creatures, respectively
The Tribal Deck Gotham Deserves But what really separates this concept from a cheeseball tribal deck
It looks like that cave with all the skulls, in Duelist Kingdom
Because, subconsciously, it feels good to pretend you're exercising some measure of control over something you know, deep down, is terrifyingly random