Tablet of Discovery (SOS 132)

Artifact • Mana cost: {2}{R} • Secrets of Strixhaven • Uncommon

When this artifact enters, mill a card. You may play that card this turn. (To mill a card, put the top card of your library into your graveyard.)
{T}: Add {R}.
{T}: Add {R}{R}. Spend this mana only to cast instant and sorcery spells.

Leaving no stone unturned is just the beginning.

Illustrated by Craig J Spearing.