Regeneration [Beta Edition] Modern Masters 2017 Hunting Grounds has "Whenever an

Hunting Grounds has "Whenever an opponent casts a spell

damage that would reduce your life total to less than 1 reduces it to 1 instead

Landfall — Whenever a land enters the battlefield under your control

Set: Commander 2021 Type: Artifact — Rarity: Rare Cost: {3} Untap Victory Chimes during each other player’s untap step

Regeneration [Beta Edition] Modern Masters 2017 Hunting Grounds has "Whenever anSet: Beta Edition Type: Enchantment Aura Rarity: Common Cost: {1}{G} Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.) {G}: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)