The costlier the card gets the less value the learn is as a proportion of the card
That is one relaxed-looking Eldrazi
But then, if you look more closely at the first and third of those abilities, you'll see that they can be used in entirely different ways, depending on whether you target your opponent's side of the board or your own
A 4 mana 3/3, Krenko can be tapped down in order to create X Goblin tokens, where X is the number of Goblins you currently control
Maher's elegant design shines through this card even today, providing "greatness, at any cost" (to quote the original Ravnica flavor text)
One of the most frustrating aspects of Magic: The Gathering Arena is how difficult it is to build new decks, thanks to the Wildcard mechanic