Ob Nixilis, the Fallen Ob Nixilis, the Fallen starts small but quickly grows into a 6/6 or bigger
It allows creatures to deal damage first without taking damage themselves
see Azusas section), and you have one of the absolute foundational building blocks of modern-day Magic gameplay
Sure, your Consecrated Sphinx is good to resolve, but before my turn, for the price of one blue mana and an expendable creature, let me get my own straight to the field with Mask of the Mimic as well
There will always be one player at the table who most threatens your life total, and most lifegain decks also want to keep life high for the likes of Aetherflux Reservoir or game-winning triggers
Creature - Horror Phyrexian Color tag templates(None) Psychosis Crawler Psychosis Crawler's power and toughness are each equal to the number of cards in your hand