From what we can tell, these will work similarly to how past Japanese and Phyrexian cards have worked, meaning there will be card styles you'll need to collect
The Merfolk higlhighted in Explorers of the Deep head into the Lost Caverns in search of a new home, following the devastation caused by the Phyrexian multiversal invasion
Fate included 18 cards that manifest, and Dragons of Tarkir included one card that mentioned the ability but didnt actually manifest anything itself
That goes double for its Enchanted Rare variant, which sees Tink go from simply towering over Hooks pirate ship to picking it up in her enormous hand and staring unimpressed at its crew
Aether Storm in Homelands had the text: No summon spells may be cast. In future reprints, it changed to creature spells cant be played. The first version of Future Sight stated that you can play the top card of your library. This terminology caused some confusion because play has multiple meanings: in play, play a card, play with the top of your library revealed, and so on
The vigilance and third act are all but wasted if this is purely a defensive card
