Replenish is a version of Triumphant Reckoning that costs significantly less mana but hasn't been reprinted since its original run in Urza's Destiny
That said, there is one card in particular that has completely captivated my attention: Well, not exactly Blood Artist, but close: [card]Blood Artist[/card], combined with sacrifice outlets and creatures that leave behind tokens after dying, is the centerpiece of an archetype known as The Aristocrats, regardless of the format (and regardless of if there are any cards with the word aristocrat in the deck)
Curves lowering is another factor, here
I hope that you are able to get your money back
Instead, Dragon Pokmon like Salamance EX or Haxorus each rely on two different non-colourless types of Energy to power up their strongest attacks, which can obviously make these Pokmon a bit inconsistent