Even if you open Ancient Tomb #46 (the second cheapest), you still opened one of the most valuable cards in the bonus sheet (and set in general)
Beanstalk Giant saw play in Standard way back, so there's precedent for this type of effect
Do proxies need to be clearly marked
Play Booster Boxes Wizards barely gave us a year of play boosters at 36 packs per box, and going forward with regular Standard sets like Lorwyn Eclipsed , expect 30 packs, so that the price for the box comes down a bit
// Cecil, Redeemed Paladin Legendary Creature Human Knight 4/4 Lifelink Protect Whenever Cecil attacks, other attacking creatures gain indestructible until end of turn
Each player has to sacrifice half of their non-god creatures, which usually leaves you ahead if you plan for it