Witch-King of Angmar, for example, only costs $3 at its cheapest
So someone heading to a list of bad cards might see a horrible card that kills your stuff today, but when it was made, it wasnt
The best bit about this effect is that it only costs 1 XYZ material to activate, meaning you can reuse this effect, giving you two whole turns of protection from any graveyard shenanigans
Each creature you tap while casting this spell pays for or one mana of that creature's color.) Exile all creatures except those that share a creature type with a creature that convoked this spell, all artifacts, and all enchantments
1 Any Serial Numbered Card The Collector's Dream Intelligence Bobblehead, Serial Numbered: $590.00 And Up Luck Bobblehead, Serial Numbered: $570.00 And Up Strength Bobblehead, Serial Numbered: $500.00 And Up Cards with serial numbers on them being valuable is nothing new in MTG