hamster cards mtg where X is the number of Hamsters you control 3x Hamster Token for MTG

Biting Remark In general, Biting Remarks introduction of scrycast would earn it a spot on this list

Opposition Agent Opposition Agent is straight-up oppressive

They cost one less for each Artifact you control, which is great for avoiding Commander tax, and when they enter the battlefield, you mill yourself for four cards

Amonkhet Invocations was the same, except it was inserted in the Amonkhet block boosters

If you wanted to push it up in power you would throw in fast mana, a better mana base, more tutors, and you would do well to go pick up a copy of Bane of Progress

Nyxborn Behemoth Enchantment decks can access a very nice range of threats these days, but I admit we were not able to simply field a very big dog until now