Alternatively, you can always ask friends for help
Legality depends on the tournament format -- Buff Card can be legal in some formats and banned or restricted in others
Basically, Ive baked a lot of ways into the deck to immediately get Morophon onto the field after casting Tiamat without needing to make 14 mana
2 Slip Out The Back Be Right Back It's slightly disingenuous to call Slip Out the Back a removal spell since it's primarily played as a means to save one of your own creatures
Oh, and you can force everyone to mill a card anytime you want by a spending a little mana
For example, if a Lakeside Shack and a Breeding Pool you control are entering at the same time (perhaps because of the effect of a spell like Scapeshift), your life total is 14, and your opponent's life total is 20, the Lakeside Shack will enter tapped whether or not you choose to pay life as Breeding Pool enters