However, if a single creature you control with lifelink deals combat damage to multiple creatures, players, planeswalkers, and/or battles at the same time (perhaps because it has trample or was blocked by more than one creature), the ability will trigger only once
In response, Rosewater delivered something of an obvious, but nonetheless important answer
Lorcana - Wilds Unknown 2 Player Starter Set Please Note: This product is brand new & factory sealed

Mirrored Depths Mogg Assassin Molten Birth Molten Sentry Mutalith Vortex Beast Negative Zone Portal Nezumi Graverobber Nezumi Graverobber Nezumi Shortfang Nezumi Shortfang Odds // Ends Odds // Ends Okaun, Eye of Chaos Orcish Captain Orcish Paratroopers Orochi Eggwatcher Orochi Eggwatcher Planar Chaos Plasma Caster Pokey, the Scallywagg (playtest) Puppet's Verdict Rakdos, the Showstopper Ral Zarek Ral Zarek, Guest Lecturer Ral, Monsoon Mage Risky Move Rune-Tail, Kitsune Ascendant Rune-Tail, Kitsune Ascendant Sasaya, Orochi Ascendant Sasaya, Orochi Ascendant Scoria Wurm Setzer, Wandering Gambler Skittish Valesk Skyclaw Thrash Sorcerer's Strongbox Squee's Revenge Stitch in Time Student of Elements Student of Elements Tavern Scoundrel Tavern Swindler The Gold Saucer Tide of War Trapeze Artist Two-Headed Giant Unleash the Flux Viashino Sandswimmer Volatile Rig Wild Wurm Winter Sky Wirefly Hive Ydwen Efreet Yusri, Fortune's Flame Zndrsplt, Eye of Wisdom