chaos form yugioh card Yu-Gi-Oh! Wiki your opponent cannot activate monster effects Chaos Form Duel Power |

This little guy can also be used in various defensive and misdirection strategies

These days its rare to see painful draw spells that cost less than three mana, but in formats where Sign in Blood and Nights Whisper are legal, they stand the test of time

As a matter of fact Demonic Consultation is only legal in Vintage these days, and it's on the restricted list

The Wingulls, absolutely oblivious to anything going on at all, and the Swablu who absolutely understands that it doesnt belong

That of course means that it could be anything from 0.00001% of boosters up to 0.9% of booster packs containing the card, but either way its incredibly rare and very desirable