Richard's wearing a cloak
EXPEDITED UNDERTAKINGS The oldest and arguably best way to maximize your advantage from discarding cards is to make sure you discard something expensive and nasty, then abuse a cheap card like Reanimate to put it directly onto the battlefield much faster than is really fair
Treacherous Urge (Planar Chaos): Please dont do that
If you need a whiteboard, simplify
Serra Angel In the early days of Magic, a clean, powerful creature with no downside was a big deal, and Serra Angel was exactly that: a 4/4 flier for 5 mana that also has vigilance, meaning it can attack and still stay back on defense
You dont have to reserve him for Mimics and Mindflayers, however, as he works just fine with your garden variety creature types, too