[P][C][C][C] Spooky Sand: 150 damage
No more Mentor of the Meek nonsense, this Modern Horizons 2 card almost single-handedly bridged the gap between old and new white decks, allowing them to compete in an age of Magic defined by mana production and card advantage
The tri-colored identity might inhibit Bladecoil Serpents use, especially if the discard mode is the most appealing to you, but perhaps Nicol Bolas or Lord Xander, the Collector players might want a way to spread that hand-shredding love to everyone, not just target opponents
Thats worse than Return to Dust, which only costs four mana
Poor Rosheen, it must be rough to remember Lorwyn when youre stuck in crappy Shadowmoor
Second, you can usually talk your way into having the opponent send the talisman back to you for its last activation once theyve used it, ensuring you get 2 unconditional tutor effects for 4 mana spread out over a couple turns