60/40 would be within PSA 10 parameters even for the front
BW/XY Gold and HGSS borders are also great
The most effective approach follows the traditional color pie that defines both identity and gameplay mechanics: White - The color of order and protection that focuses on efficient creatures, removal spells, and defensive strategies Blue - The color of knowledge and control that emphasizes card draw, counterspells, and manipulating the game state Black - The color of power and ambition that utilizes life as a resource, creature removal, and graveyard interactions Red - The color of freedom and emotion that delivers fast aggression, direct damage, and chaotic effects Green - The color of nature and growth that ramps mana, plays large creatures, and destroys artifacts and enchantments Colorless/Multicolor - Cards that either require no specific mana or combine multiple colors for hybrid strategies and flexible deck-building options This sets up a very simple organization system: color

This pairing meant the big rubber dino-dragons blended in with other Ikoria cards on the battlefield, visually and mechanically which might not have been the case if they released alongside Dominaria or Amonkhet
Yarok's effect doesn't copy the triggered ability