However, the exact probability is never mentioned, so its unknown whether this anecdote means a win probability of 80 %, 90 %, 95 %, or even more
Stony Silence is a household name
For a sense of scale, today's Scarlet and Violet sets run roughly one Double Rare per five packs, one Illustration Rare per twelve, one Ultra Rare per fifteen, one Special Illustration Rare per ninety, and one Hyper Rare somewhere in the range of one in 300 to 700 packs
This card is perfectly fine if all you do is use it as a five-mana reanimate spell, but there's a lot more you can do with it
Constantly dealing instants and sorceries not only provides you with a great opportunity to buff Vivi with +1/+1 counters (and chip away at your opponents health total), but also provides you a boost to your mana pool meaning you can afford to cast even more spells
Windreader Sphinx allows you to draw a card whenever a creature with flying attacks, which is absurd