every mtg card Ultimate Guard Squaroes Magic: The Gathering Maskwood Nexus MTG - Aetherdrift

Namely, The One Ring and Skullclamp

Honestly, theres not much to say about either of these, except that theyre each well-constructed and serve their purpose well

In the case of modal double-faced planeswalkers, it can be played either face-up or face-down

Count the number of Robots you control as the ability resolves to determine how much damage to deal

Its also really easy to break, as all you need is two creatures that can flicker each other, which not only produces infinite +1/+1 counters on your creatures, but also scales firebending up to make infinite mana when Zuko attacks

Sometimes this will just make you some 1/1 tokens, and it's a shame the opponents get to pick its effect