In addition to using lots of cards that let you manipulate card text and card color, youre also going to want to include some blink and flicker effects, so that Llawan can keep on bouncing creatures
Also including a divider for colorless cards
If you can either gain life or Explore, you will start a chain reaction
(They put the top two cards of their library into their graveyard.) Action: Show GLOWING BLUE GLYPHS being TORN out of a GRIMOIRE, leaving BLANK PAGES behind
Beyond Standard, its simply broken with the Evoke elementals in Modern, while in Legacy cards like Force of Will and Terminus again cheat the 5-casting cost clause
You get the trigger when it enters the battlefield, and with black, there will be many ways to bring it back from the graveyard when it dies to do it all over again, even if you dont make it monstrous