It is, but with Dawn of Hope, gaining life would be easy for life gain decks, as Creatures with Lifelink will do that in combat, and cards like Fountain of Renewal have free, automatic triggers
After all, Eldrazi Conscription has Annihilator 2, one of the most oppressive and brutally fun mechanics in MTG
So, you're getting a total of seven power and toughness (three of which will have trample and haste) for five mana
Because they cant block, you can also find more ways to attack with Nelly Borca, Impulsive Accuser without worrying about it dying to a blocker
Path to Exile Assassin's Trophy can target anything but there are things that just won't die: indestructible permanents, for example