It would be especially fun to cut to a Top 8 draft
An Xyz Monster that was Summoned using 3 or more monsters, including this card on the field, as material gains this effect
Once per Chain, when a Spell/Trap Card, or monster effect, is activated (Quick Effect): This card loses exactly 500 ATK/DEF and that activation is negated
Like a lot of the other cool, iconic legends in the set, 6 mana is a lot, but being able to flip this guy into a 9/9 that fights a creature, gives you a ton of mana, and eventually turns back into Clive rather than dying, could make it all worth it
If you want to make the most of it, should you build a specialized deck with a level 8 axis
Salamangreat is one of the most popular tournament-level strategies of the last decade, able to dish out 8000 damage in a flash