Tonitrus

Equip {2}
Whenever equipped creature attacks look at the
top card of your library, you may reveal it. If its
an Instant or Sorcery card equipped creature gets
+X/+0 where X is that cards converted mana
cost. Then draw a card.
''Striking this peculiar iron morning star flail like a
match generates the same blue sparks that blanket a darkbeast.''