Riddleform
Hour of Devastation — uncommon
Enchantment
Riddleform rulings:
2020-06-23: Riddleform's first ability resolves before the spell that caused it to trigger but after targets for that spell are chosen. It will resolve even if that spell is countered.
2020-06-23: If Riddleform becomes a creature the same turn it enters the battlefield, you can't attack with it unless it gains haste.