This enchantment is quite good there, allowing you to fight something on each of your combat steps
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.) Enchantment - Aura Swiftfoot Boots Equipped creature has hexproof and haste
Golem is only inconsistent on the off chance you draw into it, but it becomes amazing if Dragon/Twin revives it, because it just becomes another Dragon/Twin again
UR Ultra Rare UL Ultimate Rare Yubel - The Ultimate Nightmare X DARK Level 12 [ FiendEffect ] ATK 0 DEF 0 Cannot be Normal Summoned or Set
A lot of decks outside of Limited kinda forego combat tricks since they can work around what they do either with equipment, creatures, or other options
And naturally, since artifacts are mostly colorless cards, and include some of the biggest design mistakes in Magic, they tend to produce infinite combos quite easily