Espeon #2 Pokemon Undaunted Keep track of your collection value over time
In variants of these decks utilizing Mox Diamond it gives the decks a way to utilize future Diamonds and also recoup the loss of the land pitched to an initial Diamond
Decks playing this land as a way to survive against aggro often dont concern themselves with combat and will usually have multiple ways to find it
The drawback is very obvious: Once your O-Card gets destroyed, your opponent gets back, which was lost
Uh, to be honest I don't like this card, Not only IMO it does too much for a single card as it has 3 different good effects, also I don't agree with Zombies needing (more) consistency, as they already have cool plays and toys with Unizombie, Mezuki and Shiranuis, plus they are bound to get better as the game releases more cards
Single-target pump spells are rarely seen in Commander outside of Poison decks, because their effect - helping a single creature win a single combat - is so small compared to the infinite combos, massive token armies, and other nonsense that the format is known for