Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)
Whenever an opponent casts a spell, put a -1/-1 counter on Ammit Eternal.
Whenever Ammit Eternal deals combat damage to a player, remove all -1/-1 counters from it.
Quote from GW2GuruUser7586 »
1 mana, 3 life, and the creature. That's a huge lossy scenario. There's also Harnessed Lightning if you have a bit of energy previously.
Quote from VulpineShine »2. A 3/2 creature for 2 mana and a 1 mana spell. Now you've traded 1 mana for 3 life.