But there are still some scenarios that encourage such a gamble mostly ones where you cant afford to go slow and safe: When you only need a specific card or type of card removal for their bomb, Duress to protect your combo, that sort of thing
Prince John, Phony King, is also an excellent deterrent for your opponents to attempt to gain more lore than you whilst the card is out, as you can very quickly nab it away from them the next turn
Aragorn, the Uniter Folks seem meh on Aragorn, the Uniter, but this is going to combo kill a lot of people with 4-color storm
Have it be an actual deck archetype that tinker happens to be a part of rather than a build around
Plus, if the best versions of the cards are serialized, you know exactly how many are in existence
Five decks to start : Once you complete the intro battles, you will unlock five decks, one for each color of mana in Magic