I also kind of like the rate on Paladin's Arms for a creature with ward, though I think it's a distant third to the other two cards here
It doesnt cost anything to play, and as long as you have three or more artifacts out (which isnt hard in the right deck), it taps for any color
But while we tend to focus on the most egregious outliers when it comes to the price of power, is it actually true that the cards that impact your bank balance will also have max impact on the tabletop
"War Hammer Quest" Compatible Sleeves (75x110mm) 110 Pack, 60 Micron, SKS-8825
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For cards that work well in Commander or Modern, these sometimes see a small dip in price right around rotation, but usually rise back up to more than what they were valued at before