It's only fitting that the all-powerful, The One Ring, is the most expensive Lord of the Rings Magic the Gathering Card, The Rings of Power it controls serve only second in terms of power and cost in the card game.
The ability scales the longer the game goes on, with the more Dragons you have out, the more damage you get to do
Dark Apostle & Sloppity Bilepiper, names fans of Warhammer on this site might be familiar with, are two such ways
Drawing two cards, weighing your options, and discarding two cards can help you get you closer to your win condition when you cast the Market side from the graveyard
Pair Tevesh with commanders that benefit from creatures leaving the battlefield
None of those cards are going to drive up your overall net worth all that much, but they arent true bulk, either