Caves of Koilos

{T}: Add {C}.
{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

Drana's Emissary

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

Flying, first strike, lifelink, protection from Demons and from Dragons

Target creature gets +4/+4 until end of turn.

{T}: Add {C}.
{T}: Add {G} or {W}. Brushland deals 1 damage to you.

Magecraft — Whenever you cast or copy an instant or sorcery spell, target creature gets +1/+0 until end of turn.

Target player draws two cards and loses 2 life.

Search your library for a land card, reveal it, put it into your hand, then shuffle.

Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 1 life and you gain 1 life.

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

Deathcap Glade enters tapped unless you control two or more other lands.
{T}: Add {B} or {G}.

Target player reveals three cards from their hand and you choose one of them. That player discards that card.

Target player discards two cards unless they discard an artifact card.

Target opponent loses 3 life.
Flashback {5}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.