This tier list is mainly based on the following factors: Playability : The easier the decks mechanics and card interactions are to understand and play, the higher its rank
The first effect is important because the cards you cast can be countered, but not when you have Chimil out
Amazingly, despite both being from the same small set, both Mother of RunesMother of Runes and RancorRancor are one-of-a-kind effects that have been playables in every format they've ever been legal in
Before we can really get into whether its okay to call anything the Modern Reserved List, well need to take a look at what makes Reserved List cards valuable in the first place
Doing that, however, warrants more resources to invest in terms of card advantage
This hunger for combos has even led to the creation of Twitter accounts like @situationtwin dedicated to spotting Splinter Twin Situations in the wild