I think this is way better than people are giving it credit for in online reviews, since they say "Why spend mana or lose life to cast your foe's stuff in other decks you aren't built around?" This has little value to them, and I couldn't disagree more, let's look at why
Cavern of Souls also fixes colors for typal decks, meaning archetypes like Azorius Spirits in Pioneer can easily cast both Mausoleum Wanderer and Skyclave Apparition when necessary
Harald, King of Skemfar While the most obvious way to use Harald, King of Skemfar is in an Elf deck like we discussed earlier in the week, alongside Harald Unites the Elves, its not the only way
If you do, return this creature from your graveyard to your hand
TOKENS AND BURN CAN WIN QUICKER Tokens as a strategy has enjoyed a similar push
Usually players will have to choose another card with the same character to use Shift, but in the case of Chip n Dale, Recovery Rangers, it can be used to Shift a Chip or a Dale card, which makes it quite a bit more versatile than a normal Floodborn card