yu-gi-oh starter deck Yu-Gi-Oh! Saga of Blue Eyes White Dragon Structure Eyes White Destiny 1st Edition Konami Yu Gi Oh Trading

It provides a cheap deterrent against killing your most important creature

Dark Apostle is a fun card, hammering home the Chaos theme, while Kharn shows off his namesake by going around the table so that he can hit more stuff

Fast effects can be activated by either player even during their opponents turn, as long as the conditions are appropriate

Mirkwood Bats Marcy: This list isn't meant to exactly point out synergies, but that's just to say that Mirkwood Bats finds a lot of comfortable homes in decks that generate tokens that are then easily used up, such as from Lotho, or any number of food token generators in the LoTR set