The value of Rayquaza Pokemon cards varies significantly based on several factors including card condition, rarity, edition (1st Edition vs Unlimited), and whether the card has been professionally graded by PSA or BGS
Karazikar, the Eye Tyrant is this decks secondary commander
You need at least one other sliver for this to count as a ritual by my definition
By searching for your card, then setting listings to finished/sold, a user can see what specific cards at various gradings have actually sold for, rather than relying on often overly-optimistic listed prices
It doesn't stop all spells, but it stops enough of any modern deck based on spells that if he sticks they'll be stuck with a hand full of useless cards, and those spells will naturally be the most powerful ones available