golden greninja pokemon card - Greninja-Break (41/122) - XY BREAKPoint Displays und Booster kaufen Golden Greninja Card - Etsy

The current emperor is no exception

You can easily get copies for roughly $1 now

They also offer a range of tech effects that can help out specific strategies

When it attacks, sacrifice it at end of combat.) Artifact Ramp (CTRL to add secondary) Recursion Sheoldred, Whispering One Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield

5 mana to destroy a creature and get a treasure is probably a 2.5, and this has the major upside of spitting out more treasure and even transforming into a threat