Of course, actually activating the freerunning cost is the conundrum that all of these cards present, but it's very easy to see a world where more Assassins and Changelings are printed
We suggest awarding one during your first event period, and the other during your second event period to encourage repeat play
Both of these cards can make Glorybringer struggle, getting the better of Glorybringer in different ways, mana and survival, respectively
Urza, Planeswalker Urza, Planeswalker is an absolute bomb, and thats because you need both Urza, Lord Protector and The Mightstone and Weakstone on board before you pay the seven mana to meld them
With all that said, what exactly are the cards that are rising to the top when it comes to card value
Those abilities trigger whenever you sacrifice a Clue for any reason, not just to activate a Clue's activated ability.