Time of Need

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

Plains

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

This land enters tapped unless you control a Forest or a Plains.
{T}: Add {G} or {W}.

Whenever Emmara becomes tapped, create a 1/1 white Soldier creature token with lifelink.

({T}: Add {G} or {W}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Enchant creature
{U}: Tap enchanted creature.
{U}: Untap enchanted creature.

({T}: Add {W} or {U}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Equipped creature has "{T}: Add one mana of any color."
Equip {1}

Prevent all combat damage that would be dealt this turn.

Search your library for an Aura or Equipment card, reveal it, put it into your hand, then shuffle.

Creatures don't untap during their controllers' untap steps.
Whenever a creature enters, untap all creatures.

({T}: Add {G} or {U}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Permanents you control gain hexproof and indestructible until end of turn.

This land enters tapped unless you control two or fewer other lands.
{T}: Add {G} or {W}.