Agadeem's Awakening

Return from your graveyard to the battlefield any number of target creature cards that each have a different mana value X or less.

Agadeem, the Undercrypt

As Agadeem, the Undercrypt enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {B}.

Draw cards equal to the number of cards in your hand plus one. You have no maximum hand size for the rest of the game.

As Sea Gate, Reborn enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {U}.

As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.

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

Bountiful Promenade enters tapped unless you have two or more opponents.
{T}: Add {G} or {W}.

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

Untap all permanents you control during each other player's untap step.