Those two cards are not only great getting your creatures tapped, they also give you something powerful to do with all those extra creature tokens, as you can use those Enchantments to start tapping down your opponents stuff, and things can snowball from there
Hostage for MacGuffin: Sartorius holds Aster hostage, threatening to kill him if Jaden doesn't hand over the Kill Sat keys

Colorless & Lands Adaptive Automaton Gilded Lotus Maze's End Expedition Map Hedron Archive Swiftfoot Boots Basilisk Collar Cultivator's Caravan Darksteel Colossus Mazemind Tome Pyromancer's Goggles Ramos, Dragon Engine Steel Hellkite Crawling Barrens Temple of Abandon Temple of Deceit Temple of Enlightenment Temple of Epiphany Temple of Malady Temple of Malice Temple of Mystery Temple of Plenty Temple of Silence Temple of Triumph Ravenous Amulet Burnished Hart Heraldic Banner Meteor Golem 2 Bloodfell Caves 2 Blossoming Sands 2 Dismal Backwater 2 Evolving Wilds 2 Jungle Hollow Rogue's Passage 2 Rugged Highlands 2 Scoured Barrens 2 Swiftwater Cliffs 2 Thornwood Falls 2 Tranquil Cove 2 Wind-Scarred Crag Diamond Mare Feldon's Cane Fireshrieker Gate Colossus Sorcerous Spyglass Soul-Guide Lantern Three Tree Mascot Azorius Guildgate Boros Guildgate Cryptic Caves Demolition Field Dimir Guildgate Golgari Guildgate Gruul Guildgate Izzet Guildgate Orzhov Guildgate Rakdos Guildgate Selesnya Guildgate Simic Guildgate Adaptive Automaton, Gilded Lotus, Maze's End, Expedition Map, and Hedron Archive are in traditional foil

To scratch that curiosity itch, check out most expensive Sword and Shield Pokmon card
Weakness: Lightning Retreat: 3 Mega Evolution ex rule: When your Mega Evolution Pokmon ex is Knocked Out, your opponent gets 3 points
Weakness: Fighting (x2) Resistance: none Retreat: 1 #057 Exeggcute Psychic HP60 Basic Pokemon [P][C] Psy Bolt: 20 damage