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They even enable infinite mana combos with cards like Sol Ring or Mana Vault and another cheap artifact

But still, theres a lot of fun things you can do with this variant of Gandalf

Your opponent also takes 300 points of damage each time they set a spell or trap on the field

This caused Tri-Brigade Kerass to be unable to activate its effect as there is no empty Main Monster Zone with Link Arrow pointing to it available for a Link Monster to be Special Summoned from the Extra Deck

Incapsula incident ID: 553000141134853348-805127542777906094

The other downside to this one is that unless you can remove it, you are obligated to pay the life and draw a card, so it is possible to lose to your own Phyrexian Arena