Sea Serpent

First strike

You may play any number of lands on each of your turns. Whenever you play a land, if it wasn't the first land you played this turn, this enchantment deals 1 damage to you.

Prevent all combat damage that would be dealt this turn.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) At the beginning of your upkeep, this creature deals 8 damage to you unless you pay GGGG.

Whenever this creature is dealt damage, put a +1/+1 counter on it.

As long as Gaea's Liege isn't attacking, its power and toughness are each equal to the number of Forests you control. As long as Gaea's Liege is attacking, its power and toughness are each equal to the number of Forests defending player controls. T: Target land becomes a Forest until this creature leaves the battlefield.

Target creature gets +3/+3 until end of turn.

Reach (This creature can block creatures with flying.)