rikku mtg card [Opus I] – TokenMTG Whenever you put one or more counters on a creature Rikku, Resourceful Guardian

(1) Paper tracker token

This is important in a multiplayer format like Commander, because becoming too powerful early in the game can force the other players to band together to take you down

If your opponent is playing a fast deck, it makes sense to remove some of your expensive card advantage or slow top end cards for a mediocre two drop or cheap play that can help you stabilize

You'll get a ton more of this bad mana rock

That being said, there are still a variety of decks that can hold their ground pretty well against competitive decks

Cube is a mostly unsanctioned format aside from the Magic Online Cube and various events like the Players Championship using the Magic Online Cube and sanctioning Cube through the WPN network (but even then, thats only really for casual Planeswalker Points)