If you gain an amount of life "for each" of something or "equal to the number" of something, that life is gained as one event and Heliod's ability triggers only once
Take the cost of the card, plus the grading cost and look at PriceCharting.com or ebay sold listings for comps on what you think the grade will be
The moment it enters the battlefield, this commander creates two thopters, which immediately fuel sacrifice combos and artifact synergies
Partner (You can have two commanders if both have partner.) If one or more Pirates you control deal damage to multiple players at once (for example, in combat, or with an ability such as that of Lightning-Rig Crew), Francisco, Fowl Marauder's ability triggers once for each of those players
But the core idea is the same: strip your opponent of a specific card
Corrections & Errata There were a large number of errata notes on the original release, with many cards missing the up to text on their effects