There are a lot of different ways you can use Zefra monsters, but the easiest way to do it is to just add some to the Deck you already play
Common mistakes collectors make The biggest one
If you give first strike to a creature with last strike, it'll deal combat damage twice: once during first-strike combat damage and again during last-strike combat damage
Once per turn, during your Main Phase, if this card was Pendulum Summoned this turn: You can Fusion Summon 1 Fusion Monster from your Extra Deck, using this card you control and Dragon monsters you control as Fusion Materials
(1999) The image has a semi-holographic background, we call this "Holo" for short in the US
Are there exclusive promos for 151 I need for a complete master set? The definition of 'master set' varies by collector, but common additions include: the stamped promo cards from the Pokemon Center 151 collection, Battle Academy promotional variants, and regional distribution promos