mtg wrath cards of God - Seventh Edition - English Destroy all creatures Wrath, Set Name: Classic Sixth

You do have to tap a Blood token as part of the cost to activate it (you don't have to tap a Clue token to do so)

Inflating the resources available to all players significantly distorts the game balance of Magic

Just imagine dropping an X=7 Torment of Hailfire where your opponents are also greeted with a 7/7 to deal with after losing half their hands and all their mana rocks

In a deck like the popular Shorikai, Genesis Engine where youre running a lot of untappers, this goes off

For everyone else, their value will depend more on the general utility and efficiency of their effect rather than the highly specific hoops youre jumping through to get there

Fingers crossed