2019-05-03 : Abilities that trigger while Enter the God-Eternals is resolving or that trigger as the target creature dies are all put onto the stack after the spell has finished resolving and the target creature has (if lethally damaged) died.

2019-05-03 : Army is a new creature type. It’s possible to control a nontoken Army (perhaps a creature with the changeling ability) and, through combinations of other cards, it’s possible to control multiple Army tokens. When instructed to amass, you may put +1/+1 counters on any of your Army creatures, and you may choose a different one each time.

2019-05-03 : If both targets are no longer legal targets as the spell tries to resolve, it doesn’t resolve. You don’t amass 4.

2019-05-03 : If the target creature has less than 4 toughness, Enter the God-Eternals still deals 4 damage to it and you’ll gain 4 life.

2019-05-03 : If the target creature is dealt lethal damage by Enter the God-Eternals, it’ll still be on the battlefield while you gain life, the target player moves cards, and you amass 4. Any abilities it has may affect these actions and may trigger on them.

2019-05-03 : If the target creature is no longer a legal target as the spell resolves but the player is a legal target, no creature is dealt damage and you gain no life, but the target player still moves the top cards of their library and you still amass 4.

2019-05-03 : If the target player is no longer a legal target as the spell resolves but the creature is a legal target, the creature is dealt damage, you gain that much life, and you amass 4. No player moves cards from their library.

2019-05-03 : If you don’t control an Army, the Zombie Army token that you create enters the battlefield as a 0/0 creature. Any abilities that trigger when a creature with a certain power enters the battlefield, such as that of Mentor of the Meek, will see the token enter as a 0/0 creature before it gets +1/+1 counters.

2019-05-03 : You can’t cast Enter the God-Eternals without targeting a creature and a player.