Siphon Insight
Innistrad: Midnight Hunt Promos (PMID #241p)
Pricespreview
CKCard Kingdom
Normal
$0.49
Foil
$1.49
CMCardmarket
Normal
€0.32
Foil
€0.89
MPMana Pool
Normal
$0.26
Foil
$0.82
TCTCGplayer
Normal
$0.47
Foil
$0.41
Siphon Insight
CMC: 2
Type
Instant
Rules Text
Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may play the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.
Flashback 
Printing
Innistrad: Midnight Hunt Promos (PMID #241p)
rare
Illustrated by Livia Prima