The thing is that this list is full of cards like Reciprocate and Righteous Blow which are just as hard to have active as Harm's Way
In fact, addendum is hardly even an ability
How many cards are in the Pokmon Phantasmal Flames expansion
Karn, the Great Creator might be controversial if your group leans heavily on artifact mana sources, but I actually have it here for the other two abilities: making artifacts into creatures lets Satya copy them, and the normally-dead wish activation can actually be used to loop Gontis Aether Heart, assuming you can proliferate enough loyalty and energy counters to keep that going
Originally, this was just the second ability
Last year's printing also had 10 holo cards, but they used reverse holo with yellow and gray holo borders, instead