Tirun, Spellshaper's Blade

Equipped creature gets +3/+0.
Whenever equipped creature deals combat damage
to a player, that player exiles a nonland card from
his or her hand. Draw X cards where X is the colorless mana in that cards mana value.
{1}{u}{r}, sacrifice Tirun, Spellshaper's Blade: search
your library for an instant or sorcery card and cast
it without paying its mana cost. Then shuffle.
Equip creature {1}{r}{u}