mtg warhammer 40k commander decks list Commander Deck Magic: The Gathering Universes Beyond:

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

Tinker Bell Very Clever Fairy works amazingly in an item deck, helping to ramp if a little late in the game

Whites aggression often involves buffing all its little creatures at once, with efficient effects known as anthems. Whites civilized nature and patience also allow it to use artifacts and enchantments, especially equipment and aura cards that power up your small creatures

If you need an army in a hurry, this card will quickly flood the board with Gnome tokens

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