banned cards in mtg arena Magic: The Gathering Why isn't this card banned

Some have never been seen, including a full sheet of sixteen cards like the image above

Players may take actions before the triggered ability granted by Inevitable End resolves, but they can't take any actions during a turn before that turn's upkeep begins to try to stop the ability from triggering

Once a creature type that couldnt attack, they were later erratad to have the defender keyword, which prevents creatures with it from attacking

She has two Power and two Life, and adds a counter to a creature when it is summoned, if its power is less than hers

All of which is somewhat unusual as far as combat mechanics go, but effective