It used to be that Trainer cards were a huge bummer if collectors pulled them in the Rare slot, but the introduction of Full Art Trainer Supporters featuring iconic characters changed that
#4 Demona Scourge of the Wyvern Clan (Enchanted) Despite releasing well past Halloween, Whispers in the Well has an undeniable Halloween bent complete with a Headless Horseman and even Gargoyles
This card is a nuisance to deal with, and players will effectively have to sacrifice their creature to prevent life loss, or burn removal on the enchantment to make it useful again, and in the meantime, their focus isn't on you
Perhaps the most surprising reprint from this entire release is DarknessDarkness
The Chain Veil isnt even the most broken method of doing that, but its nutty enough to get Teferi, Temporal Archmage soft-banned at many Commander tables
To fully enjoy the game, kids must read and understand the card text, which often includes abilities, attacks, and energy requirements