Wizards of the Coast does a good job with their precon decks, wanting new players coming into the format to have fun and actually be able to compete against other mid-level and casual EDH decks
Among these modes includes making your opponent discard two cards, dealing three damage to anything, destroying either an artifact or a planeswalker (goodbye Urza!), giving you creatures menace and trample for the turn, giving creatures you dont control -1/-1, or creating two tapped Powerstone tokens
Ive found that I can ignore it entirely if Im going to be able to force my Sphinxs Revelations through
That said, Terra, Herald of Hope isn't actually optimized here, as the deck still focuses on larger reanimation targets overall
A 2/4 for three mana, Kumena has access to three activated abilities that require you to tap different quantities of Merfolk