
Whenever you cast a noncreature spell, you may have this enchantment become a 3/3 Sphinx creature with flying in addition to its other types until end of turn.
: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Illustrated by Steve Argyle · Core Set 2021 · #64
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.