By process of elimination you know that our top card is a Black legendary, but what
Laezel, Vlaakiths Champion Lae'zel, Vlaakith's Champion provides a desirable Hardened Scales effect in your command zone, and choose a background lets you select the right support card to fully take advantage of your extra counters
Morohpon's a universal typal commander, especially for creature types that don't already have a legendary creature that explicitly supports them
When life totals are exchanged, each player gains or loses the amount of life necessary to equal the other player's life total
The more choices you give yourself, the more opportunities you have to make good choices, outplay your opponent, and win games
This is known as 'impulse draw' as you have more card selection, but a limited time to use it, perfect for the hot-headed red mage