Aura of Courage, on the other hand, often failed due to low creature count and early boardwipes, sometimes even without being able to really counter other (faster) decks with their high density of creature cards
Triumph of the Hordes Hordes are scary for opponents, but delightful for you if youre the one in control of them
The extra land part of the card wont always matter, since most of the time when you start using this ability youre probably not going to be in desperate need of more lands, but it could definitely help, especially in UG, which is a ramp color pair as it often is
Maybe some kind Dimir discard ramp control deck, so your opponent does not have the cards to take advantage of the free spell part
Now, Mega Blaziken EX also discards one Energy on using the move, but thats no problem, as you can just give it the next turns Energy or use the new Flame Patch Item card to give it back that Fire Energy from the discard pile
Even if you try to ignore it by purchasing cards from the secondary market, theres no escaping rarity in MTG