Legion Lieutenant

Tainted Field

{T}: Add {C}.
{T}: Add {W} or {B}. Activate only if you control a Swamp.

Target opponent reveals their hand. You choose a nonlegendary, nonland card from it. That player discards that card.

Flying
Whenever you gain life, each opponent loses 1 life.

Rally — Whenever Kalastria Healer or another Ally enters the battlefield under your control, each opponent loses 1 life and you gain 1 life.

Enchant creature
Enchanted creature gets +1/+1 and has flying and lifelink.

Flying
At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.

Target player sacrifices an attacking or blocking creature.

Scoured Barrens enters the battlefield tapped.
When Scoured Barrens enters the battlefield, you gain 1 life.
{T}: Add {W} or {B}.

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.