Uthros Research Craft Uthros Research Craft would be a good enough card at 4 mana, with the text draw a card when you cast an artifact. Thats incredibly powerful, especially on a permanent that doesnt die to every piece of spot removal or board wipe, unlike similar effects like Jhoira, Weatherlight Captain and Vedalken Archmage
and comes with a fantastic Field Spell in "Domain Of The True Monarchs." This card allows its user to lower the Levels of cards in their Hand in order to Summon them without Tributing, something "Monarchs" greatly appreciate
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Team Rockets Mewtwo ex SAR SV10 Glory of Team Rocket SAR Market ~$250-$450 USD (~35,000-63,000) SV10s Team Rocket theme gave Mewtwo a villainous reinterpretation the SAR renders Mewtwo with the organizations signature red-R branding and dark psychic energy
Sometimes the decision is just to wait a little longer, while in other situations, its a straight-up ban on the problematic card(s)