Keep in mind that adding cards in every pocket (front and back) effectively doubles the count, though its wise to ensure cards dont press against each other too tightly
If it dies or changes control after that point, this ability will still trigger at the beginning of your end step as long as you control a commander creature with the ability
French Vanilla Isumaru has the distinction of being the games first vanilla legendary creature, something only done once more in the 25 year history of the game
Cast spells with ambiguous effects and make believable ( but slightly off ) claims: You: "I cast Brave the Elements." Opponent: "What does that do?" You: "It's a counterspell, obviously." And when they inevitably push back ( and trust me, they will ), simply shrug and say, "You should really keep up with errata." Midgame: Ramp Up the Assault As the game progresses, slowly but surely increase the audacity of your plays: Opponent: "Wait, how did you cast that
Planeswalker focussed Superfriends Commanders like Carth the Lion will want them to give their walkers more loyalty counters