whenever you gain life cards mtg What counts as "gaining life" : r/mtg The 47 Best Lifegain Cards

WotC tends to stay far away from these kinds of changes but did it pretty often back in the early days of Magic, mainly in the jump to Sixth Edition where a lot of cards were simplified

If a creature with an ability that triggers when that creature dies or leaves the battlefield loses that ability and is then destroyed, that ability will not trigger

(2008-10-01) The number of Saproling tokens created by the triggered ability is based on the number of +1/+1 counters on Mycoloth, not on the number of creatures Mycoloth devoured

3 - Bake into a Pie Bake into a Pie may very well be a Sweeney Todd card, and while you may not like monsters for dinner, someone in MTG 's planes may gladly have them for dinner