This 3-mana artifact creature can become a force to be reckoned with if you get the right combination of counters, like first strike and deathtouch
While they look cute and funny, Cactuar have very high evasiveness and can be tough to beat, though they reward a handsome amount of gil once having done so
The value of X is determined only once, as Intelligence Bobblehead's last ability resolves
Crypt Ghast Most perks Ive listed about Nirkana Revenant, Magus of the Coffers, and Bubbling Muck apply to Crypt Ghast as well, so rather than extoll the virtues of Urborg, Tomb of Yawgmoth and X spells for the 4th time, Ill instead start by saying 4 is a very reasonable mana cost for a one-sided mana doubler before moving on to the other half of Crypt Ghasts text box
But Wizards of the Coast has noted that they have put a lot of effort into balancing the game, to allow for all these familiar elements to work within the context of an entirely different game
They go into a kind of storage bank, like poison counters and rad counters