Pact of the Serpent

T: Add CC.

Menace (This creature can't be blocked except by two or more creatures.) Whenever Lathril deals combat damage to a player, create that many 1/1 green Elf Warrior creature tokens. T, Tap ten untapped Elves you control: Each opponent loses 10 life and you gain 10 life.

Flying, vigilance The first card you foretell each turn costs 0 to foretell. Whenever one or more cards are put into exile from your hand or a spell or ability you control exiles one or more permanents from the battlefield, create a 1/1 white Spirit creature token with flying.

If a permanent you control would be put into a graveyard from the battlefield this turn, exile it instead. Return it to the battlefield under its owner's control at the beginning of the next end step. Foretell 1W (During your turn, you may pay 2 and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Whenever one or more cards are put into exile from your hand or a spell or ability you control exiles one or more permanents from the battlefield, put that many +1/+1 counters on this creature. As long as this creature has five or more counters on it, it has flying and is an Angel in addition to its other types. As long as this creature has ten or more counters on it, it has indestructible and is a God in addition to its other types.

When this creature enters, search your library for a basic Plains card and reveal it. If an opponent controls more lands than you, put it onto the battlefield tapped. Otherwise, put it into your hand. Then shuffle. Foretell 1W (During your turn, you may pay 2 and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Flying Spells you cast from anywhere other than your hand cost 2 less to cast. Foretell 4U (During your turn, you may pay 2 and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control. Foretell 1UU (During your turn, you may pay 2 and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)