Soul Conduit

{6}, {T}: Two target players exchange life totals.

Axis of Mortality

At the beginning of your upkeep, you may have two target players exchange life totals.

Defender
{T}: Exchange target opponent's life total with Tree of Perdition's toughness.

{T}, Sacrifice Tainted Sigil: You gain life equal to the total life lost by all players this turn. (Damage causes loss of life.)

Lifelink
{4}: Exchange your life total with Evra, Halcyon Witness's power.