Mechanics like morbid and void incentivize you to kill creatures constantly, which you can take advantage of with Chorale of the Void, Morbid Opportunist, or even setting up a full-power Tragic Slip
Some lower-powered non-rarity-restricted Cubes will want this potential three-for-one as well
Bandai Namco 0 in stock 49,99 44,99 Bandai Namco 3 in stock 14,99 Bandai Namco 7 in stock 14,99
Although you can't play with numbers as big as you can in stocks and real estate, the barrier to entry is tiny (even a 8-year-old kid can come up with the money to buy some under-valued Pokemon cards) and the potential for profit is huge
One card I highlighted in the article was Ojer Axonil, Deepest Might, the red God from The Lost Caverns of Ixalan that I feel totally normal about