Swamp

Reliquary Tower

You have no maximum hand size.
{T}: Add {C}.

Shadow of the Grave

Return to your hand all cards in your graveyard that you cycled or discarded this turn.

Treasure Hunt

Reveal cards from the top of your library until you reveal a nonland card, then put all cards revealed this way into your hand.

Zombie Infestation

Discard two cards: Create a 2/2 black Zombie creature token.

Island

Contested War Zone

Whenever a creature deals combat damage to you, that creature's controller gains control of Contested War Zone.
{T}: Add {C}.
{1}, {T}: Attacking creatures get +1/+0 until end of turn.