In a lot of ways, Purph has taken the mantle of Sulfuric Vortex in the more creature focused mid-range-y unpowered cubes we find commonly today
712.3a While a meld card is outside the game, in a zone other than the battlefield, or on the battlefield with its front face up, it has only the characteristics of its front face
As with most free-to-play games, there are plenty of optional microtransactions, but Konami is pretty generous in terms of freebies, so you should be able to pick up a few new packs pretty regularly without spending too much of your own money
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(3) When the second attack of this turn is declared: You can make this card gain 2500 ATK, and if you do, it gains this effect
Phil Foglio) illustrated both of these artworks, and the dude that gets punched by that Alf-looking elephant-man in Free-for-All gets punched all the way to the card art for the White card I'm Rubber, You're Glue