If you gain an amount of life "for each" of something, that life is gained as one event and the second ability of Elenda's Hierophant triggers only once
What that means is that you can load up Shimmer Dragon with 4 sweet pieces of equipment, attack someone, and then tap those swords and boots and whatever to draw 2 cards
Finally, the player faces four Grand Masters, and defeating them earns the player the right to inherit four powerful Legendary Cards
If you sac Optimus Prime, Hero Flip on your turn then when it returns to the battlefield it has summoning sickness, can't attack without haste
Its great against Soul Sisters (since it shuts off all of the Soul Warden, which in turn shuts off Ajani Pridemate), and its good against the Mono-Green Devotion deck that popped up recently
This is where only number monsters can destroy other number monsters