When it is not under threat and there is nothing vital to kill, Ajani can lock down anything from a giant threat to a key land while forcing the opponent to find an answer
Even when the card is extremely powerful (Claydol GE comes to mind), those cards were often targeted by players trying to build counters, so the better player would adapt while other players would fail
Lots of other decks rapidly empty their hands
Taking Command As fun as it is to speculate on the Ancient Adamantoise combo seeing use in Modern, its far more likely that it shines in the MTG Commander format
They were used by Blue Angel in Yu-Gi-Oh
Utimately, the additional promotional cards offered as a result of Magic 30 can only be a good thing, and maybe players appreciation for the opportunity to open a card like Tarmogoyf at their prerelease will outweigh the negatives