saddleback card sleeve 5-Slot Super Slim Front Pocket Wallet (Tobacco Snakebite Leather) Hypoallergenic 4 Saddleback - The Leather Business

If the target creature is an illegal target as Y'shtola Rhul's ability tries to resolve, it won't resolve and none of its effects will happen

Here is the list of banned and restricted cards in the Commander format

During your Main Phase: You can equip 1 appropriate LIGHT Machine Union monster from your Deck to this card as an Equip Spell as if it were equipped by that monster's effect, also you cannot Special Summon from the Extra Deck for the rest of this turn, except LIGHT monsters

Commanders like Sidisi, Brood Tyrant, and Teval, the Balanced Scale, for instance, consistently fuel The Immortal Coils activated ability

Charge counters - One of the themes of the block, several artifacts in Darksteel functioned by accumulating these counters, which players could then spend for various effects

That means it's best for more experienced TCG players