The Guest has to leave itself
Madison Li and some cheap artifacts can look to generate three or more energy counters each turn
Creature - Vampire Color tag templates(None) Braids, Arisen Nightmare At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker
It feels great to start a turn with just your commander on board, and end it with a herd of colossal reptiles whose approaching roars tell your opponents that you are very much the threat
I even narrowed the scope of this list to include only cards that physically draw more cards rather than just providing card advantage such as a Bloodbraid Elf
This can be a great card to use towards the end of a game to capture some final Lore points to clinch a victory