You also get access to four colors, which include good ramp cards in Simic colors along with removal spells/sweepers in Orzhov colors
Kozuka loses to Jonouchi after he plays a combination of "Battle Warrior" and "Shield and Sword" to switch the ATK points and DEF points of the monsters on the field, leaving the zombie monsters with no ATK points
It is nice that you get something even if your creatures die, but the 1/1s that cant block arent exactly going to help you on the back swing A three mana 3/3 with Haste is probably good enough to be a 3.0, so the fact that he has this sweet Celebration trigger is nice upside to have on an already good card
During the End Phase, if this card is in the GY because it was sent there this turn, and your opponent controls more monsters than you: You can target 1 Dinowrestler monster in your GY, except Dinowrestler Systego
It's the opposite of flashy, insta-win mechanics like Cascade or Storm