The front side rewards consistent chip damage by turning combat success into future spell value, while the back side scales well in the late game by distributing counters, granting evasion, and replacing itself, which is strong in creature-heavy midrange shells
Scarcity is a combination of 2 factors which always go hand-in-hand together = supply + demand You dont just look at pop (supply) and go, Too high pop, so its not scarce
If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can target 1 Level 7 or lower "Red-Eyes" monster in your GY, except "Red-Eyes Alternative Black Dragon"
Though it's got a pretty steep cost at two of each color of mana, Progenitus can be really annoying to get rid of for opponents
If your goal is to add authentic vintage or modern gold star pokemon cards to your collection, relying on a quick glance is a massive financial risk