phyrexia card sleeves All Will Be One Vraska, Betrayal's Sting Standard Deck Protector (100ct) for Magic: The Gathering x 3.5 in Phyrexian Sleeves | eBay

2007-02-01 If the creature that entered has left the battlefield by the time the ability resolves, use the power and toughness of that creature as it last appeared before leaving the battlefield.

If a face-up Xyz Monster you control leaves the field by card effect: You can make all monsters your opponent currently controls lose 1000 ATK, until the end of this turn (even if this card leaves the field)

It is well-known for featuring very powerful synchro monsters that define the outcome of the games

Each Duelist can select 3 "Tactical Cards" and include up to 3 copies of each per Deck

The tradeoff, however, is that while you still get to see the top two cards of your deck, just one of them goes to your hand and the other must be placed on the bottom of your deck