Wrench Bug, could not activate ability given to creature to tap a creature
I had an untapped creature without summoning sickness, with the card Wrench attached to it. Hovering over the creature, I could see that the creature was being given the ability to spend 3 mana to tap a creature. However, clicking it did nothing despite having 2 untapped Islands and 2 untapped Plains. This happened in a Premier draft event and caused me to lose the game.
5
votes

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EverythingsFine#19636 commented
Same thing happened to me except the Wrench was on an unflipped Granite Witness.
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DAC169#34537 commented
Since this happened in draft be sure to go to https://mtgarena-support.wizards.com/hc/en-us/requests/new/ and select "Report a problem with my event" for compensation.