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.
: Target land becomes a Forest until this creature leaves the battlefield.

This creature enters with two +1/+1 counters on it.
, Remove a +1/+1 counter from this creature: Put a +1/+1 counter on target creature.
Remove a +1/+1 counter from this creature: You gain 2 life.

You may exile a green card from your hand rather than pay this spell's mana cost.
Flash
Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Enchant creature
Enchanted creature gets +1/+1 for each Forest you control.

This land enters tapped unless you control a Swamp or a Forest.
: Add or .

Flying
Whenever a source an opponent controls deals damage to you, you may put that many +1/+1 counters on this creature.

, Sacrifice a creature: You gain 2 life.

(: Add .)

, , Discard a card: Destroy target nonblack creature. It can't be regenerated.

Return target permanent to its owner's hand. If that permanent is red or green, put it on top of its owner's library instead.

Kicker (You may pay an additional as you cast this spell.)
This spell can't be countered.
Urza's Rage deals 3 damage to any target. If this spell was kicked, instead it deals 10 damage to that permanent or player and the damage can't be prevented.

(: Add .)

Menace
Pack tactics — Whenever this creature attacks, if you attacked with creatures with total power 6 or greater this combat, you may put a Dragon creature card from your hand onto the battlefield tapped and attacking.

, : Choose another target creature. Put a number of +1/+1 counters on it equal to the amount of life you gained this turn or the amount of life you lost this turn, whichever is greater. Activate only as a sorcery.

Play with the top card of your library revealed.
As long as the top card of your library is a creature card, creatures you control that share a color with that card get +1/+1.
: Put the top card of your library on the bottom of your library.

Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token.
−2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.

Look at the top twenty cards of your library, put any number of land cards from among them onto the battlefield tapped, then shuffle. You gain 8 life.

Flying, vigilance
When Icingdeath, Frost Tyrant dies, create Icingdeath, Frost Tongue, a legendary white Equipment artifact token with "Equipped creature gets +2/+0," "Whenever equipped creature attacks, tap target creature defending player controls," and equip .

Destroy each nonland permanent with mana value 2 or less. Add or for each permanent destroyed this way.

: Add .
: Draw a card. Activate only if you have exactly seven cards in hand.