Personally, if I want a specific card, i'll just grab it instead of buying and ripping boosters to get it
9 Lilo, Galactic Hero It's Lilo In Spaaaace Lilo's strength is, well, her strength
When paired with your commander, you still have access to the cards you discard which means you have access to as many cards as your opponents lets you draw through
You rarely actually draw a card after turn 2, you dont even cast half your spells and the other half you cast from your graveyard, and card advantage is basically irrelevant beyond your cards being cards
First, you typically dont have to worry about indestructibility or instant speed effects that grant it until the end of the turn like Heroic Intervention
Undo allowed you to completely break the symmetry of the format: you would play a turn three 2/2, your opponent would play a turn three 2/2