Dragon Slayer Ornstein

Partner with Executioner Smough (When this creature enters the battlefield, target player may put Executioner Smough into their hand from their
library, then shuffle.)
Haste, Lightning (Creatures blocking this
creature are tapped after combat, and do not
untap during it's controllers next untap step)
When Executioner Smough dies, Dragon Slayer Ornstein gets +6/+6 and Trample