That creature is now your Ring-bearer. They can only be blocked by creatures with a lower power
The cover card for the set is an all-new edition of Exodia, one which relies on utilising Forbidden One cards like the main pieces in the hand, deck or Graveyard to bring this Fusion Monster onto the field, with a plethora of powerful effects that could truly obliterate an opponent
This card is used mostly in decks that like to copy spells for the Expansion side, and its nice to have that on rate with the potential upside of the other half
Since the ability cost includes a tap symbol and Rattleclaw Mystic is a creature, the ability may be used only if it isnt summoning-sick
Yes, they are useful but with stronger non-EX options like Rampardos, Lucario, Sudowoodo, and Tauros, youre not going to risk using them in must-win situations like SP Emblem events
These examples highlight Wizards willingness to port over Un-set creature types to the main game where appropriate