When Armed with Proof enters the battlefield,
investigate (To investigate, create a colorless Clue token. It's an artifact with "
, Sacrifice this artifact: Draw a card.") twice.
Clues you control are Equipment in addition to their other types and have "Equipped creature gets +2/+0" and
equip
(
: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.).