These cards are still obtainable by opening normal booster packs, but they are pretty rare
Any haste-enabler outside of red is an exciting prospect in my book, and Merry and Pippin' Abzan commander color identity gives you access to a lot of lifegain, tokens, and creature synergy
To begin to answer this, we have to remember one major concept present in all games of Magic: variance
After all, Kaervek has shown its prowess in the format already, so its certainly worth exploring
However, Portal Three Kingdoms did have sorceries that could only be played during the combat phase, such as Heavy Fog and ones that could only be played in response to another spell, such as Preemptive Strike
With all the collectors on E4, perhaps youll be able to track down some of the Japanese cards