If you get them for kitchen table, Cube or Commander, or any casual format rather than competitive, it is a no-brainer
Special Summon from the Extra Deck: -To Special Summon from the Extra Deck, you must place the monster either in an Extra Monster Zone or in a Main Monster Zone pointed at by a Link Monsters Arrow
This set was first released on February 7, 2020 and was the first major expansion in the series released in over two years
The only argument against this is if you are looking to do more that turn (like play additional basics), in which case, it might be justifiable to use Juniper to get yourself an extra card to play with that turn (e.g
The ability to cast spells for life instead of mana is powerful, but at 5BB, it feels too expensive for what it does