The most used sleeves are the top loading inner sleeves
Combine Raul with effects like Vedalken Orrery so you arent just limited to casting instant speed spells on your opponents turns, and you can pull ahead on card advantage incredibly easily
One of the most popular themes in the game is the use of White-Black commanders, which typically offer a combination of control, life gain, and board presence, making them powerful and versatile options for any player
Its Legendary card version has decent value right now as well, sitting at $27.19 at TCGplayer's market price
Now, what you want with this is to draw it as the last card to always ensure that you can draw something, but unlike Zodiac Dragon you don't get it back from the graveyard if it dies
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)