Then you have to cast them, so you'll want to run the mana for them
These references aren't totally obscure, but I also picked ones that aren't such popular knowledge that even people who haven't played the games probably know about them, like Sephiroth killing Aerith
There was definitely a period of time where I noticed my play patterns with the card were actively sabotaging my land drops later in the game, and during the early days of Commander, where big, splashy spells were king, I wrote Land Tax off as being more trouble than it was worth
For instance, Sephiroth, Fabled SOLDIER allows users to sacrifice a creature to draw a card when he enters the field or attacks
For this, I use blue housepainters tape but an even better idea is to spring for artists tape because Ive noticed that the blue tape does have a habit of taking just a tiny bit of the ink underneath it when you pull it off