Honestly, poison's not a huge selling point of the card, since the front side already does so much, but the option's nice to have and it's a very stylish way to take someone out
Once per turn, when your opponent's monster declares an attack, you can send the top card of your Deck to the Graveyard and negate that attack
Ancient Copper Dragon also sees regular play in cEDH, in decks like Magda, Brazen Outlaw and Scion of the Ur-Dragon
Seeing as only one of the final stages of those two Pokemon that come from those fossils in-game (Kabuto and Omanyte) received a Fossil expansion card at the rare rarity slot, it seems Wizards of the Coast didn't want to praise the Helix
It was used to synchro summon the Red Demons Dragon by tuning it with the Dark Resonator revived through Reinforcement Revitalization
5 Sanwitch On the surface, Sanwitch isn't as bad as it appears