Its plain terrible on every level
The drawback here is a creature or artifact sacrifice, but in today's game with treasure and other artifact tokens plentiful, this may not be so painful
So, for example, if your top two cards are Brainstorm and the transforming double-faced card Delver of Secrets // Insectile Aberration, you will end up with a modal double-faced card in one of the following permutations: Brainstorm // Delver of Secrets, Brainstorm // Insectile Aberration, Delver of Secrets // Brainstorm, Insectile Aberration // Brainstorm
One day I got to chatting with this Narset player
Sorcery Color tag templates(None) Furious Bellow Target creature gets +3/+0 and gains first strike until end of turn
Zoroark (Illustration Rare) embed::[[Zoroark (rsv10pt5-143)]] In tenth place, a Zoroark Illustration Rare