3 Level 11 monsters If this card is Xyz Summoned to the Extra Monster Zone while there is a card in the Field Zone: You can Special Summon 1 Rank 11 Xyz Monster from your GY, then you can attach any number of Spells from your hand or field to it as material
Whispersilk Cloak Another EDH staple, Whispersilk Cloak does double-duty as protection for your creature as well as evasion to deal unblocked combat damage to your opponent
Card advantage is a strategic concept (rather than a specific game term) and a lot broader, and basically means having more cardboard than my opponents. For starters, any card that puts more cards in your hand is card advantage, even if it doesn't say draw. But card advantage also looks at what happens in other zones
Following this, we got another reveal a few days later to further entice players
There is an advantage that it is easy to increase "Needle Burrower" and "KA-2 Des Scissors" could be used
It can charge itself up by sacrificing artifacts, and you draw a card in the process