At the beginning of each player's postcombat main phase, that player adds {C}{C} for each of your opponents who lost life this turn. (Damage causes loss of life.)
2 /
2
{5}
Blinkmoth Urn
Artifact
At the beginning of each player's precombat main phase, if Blinkmoth Urn is untapped, that player adds {C} for each artifact they control.
{8}
Platinum Emperion
Artifact Creature - Golem
Your life total can't change. (You can't gain or lose life. You can't pay any amount of life except 0.)
8 /
8
{1}{G}{G}
Shizuko, Caller of Autumn
Legendary Creature - Snake Shaman
At the beginning of each player's upkeep, that player adds {G}{G}{G}. Until end of turn, they don't lose this mana as steps and phases end.
2 /
3
{3}
Tangleroot
Artifact
Whenever a player casts a creature spell, that player adds {G}.
{1}{B}{R}{G}
Yurlok of Scorch Thrash
Legendary Creature - Viashino Shaman
Vigilance
A player losing unspent mana causes that player to lose that much life.