Tumbleweed Rising Bug
Tumbleweed Rising Bug - When casting Tumbleweed Rising, it creates a token based off the base toughness of a creature that has +1/+1 counters on it instead of the power of that creature.
The following occurred during a draft match I had where Miriam, Herd Whiperer was on the battlefield with 2 +1/+1 counters on it making it a 5/4. When I cast Tumbleweed Rising, the token that was created was a 2/2 instead of a 5/5. At the time Miriam was the only creature on my side of the field.
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DAC169#34537 commented
Tumbleweed Rising goes based off of power not toughness, and Miriam's base power is 3.
Are you sure your opponent didn't cast Desert's Due with 1 desert before Tumbleweed Rising resolved?