Grief Banned across popular formats such as Modern, Legacy, and the digital-only Historic, this creature is among the best ever printed, not only thanks to its ability to scam opponents but also because you get to deal with the best card they have sitting in their hand
A lot of instant and sorcery cards have cycling as well, making it trivial to boost up Rielle's attack to make it a threat
When this is mixed with other Voltron cards, Wilson is capable of easily taking out a player with just one attack
The ability to interact while technically having no mana available changes how opponents sequence their plays
110.5a Status is not a characteristic, though it may affect a permanents characteristics
Basically the way it works, as is printed on the card, is that you can cast it when you declare your attackers, turn your attacking creatures face-down and then shuffle them around