Having more cards in hand gives you more options for how to play around and against your opponents, so most Commander decks have more than a little card draw as part of their strategy
Each upkeep, you put an age counter on your card, then pay the cumulative upkeep cost for each age counter on it
If damage would be dealt to Anti-Venom, prevent that damage and put that many +1/+1 counters on him
Legendary Creature - Warrior Spirit G'raha Tia, Scion Reborn Lifelink Throw Wide the Gates Whenever you cast a noncreature spell, you may pay X life, where X is that spell's mana value
Instead of doing one fast loop and leaving, attendees may find themselves spending more time exploring corners of the floor they did not originally come for
Partner (You can have two commanders if both have partner.) Illustrated by Jason A