White Shadow Hydra

Enchant creature

Enchanted creature has hexproof and can't be blocked by more than one creature.

Target creature gets +X/+X until end of turn, where X is your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)

Defender

{T}: Add X mana in any combination of colors, where X is the number of creatures with defender you control.

Move any number of +1/+1 counters from target creature onto another target creature with the same controller.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Search your library for a creature card with converted mana cost X or less and put it onto the battlefield. Then shuffle your library.

Look at the top six cards of your library. Put up to two creature cards with converted mana cost 3 or less from among them onto the battlefield. Put the rest on the bottom of your library in any order.

Play with the top card of your library revealed.

You may play lands from the top of your library.

Whenever a land enters the battlefield under your control, you gain 1 life.

You may play an additional land this turn.

Draw a card.

You gain 5 life.

Ferocious — You gain 10 life instead if you control a creature with power 4 or greater.

({T}: Add {G}.)

Trample

Play with the top card of your library revealed.

You may cast creature spells from the top of your library. (Do this only any time you could cast that creature spell. You still pay the spell's costs.)

When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with converted mana cost X or less from among them onto the battlefield. Then shuffle the rest into your library.

Genesis Hydra enters the battlefield with X +1/+1 counters on it.

Heroes' Bane enters the battlefield with four +1/+1 counters on it.

{2}{G}{G}: Put X +1/+1 counters on Heroes' Bane, where X is its power.

{X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)

When Hydra Broodmaster becomes monstrous, create X X/X green Hydra creature tokens.

Put a +1/+1 counter on target creature, two +1/+1 counters on another target creature, and three +1/+1 counters on a third target creature.

Defender

Landfall — Whenever a land enters the battlefield under your control, you gain 1 life.

When Nessian Game Warden enters the battlefield, look at the top X cards of your library, where X is the number of Forests you control. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Defender

{T}: Add {G} for each creature with defender you control.

Return target creature or land card from a graveyard to its owner's hand. You gain 6 life.

Target creature you control deals damage equal to its power to target creature you don't control.

Servant of the Scale enters the battlefield with a +1/+1 counter on it.

When Servant of the Scale dies, put X +1/+1 counters on target creature you control, where X is the number of +1/+1 counters on Servant of the Scale.

Enchant creature

Enchanted creature has "Whenever this creature deals combat damage to a player, you may draw a card."

Strive — This spell costs {1}{G} more to cast for each target beyond the first.

Choose any number of target creatures. Double the number of +1/+1 counters on each of them.

Vastwood Hydra enters the battlefield with X +1/+1 counters on it.

When Vastwood Hydra dies, you may distribute a number of +1/+1 counters equal to the number of +1/+1 counters on Vastwood Hydra among any number of creatures you control.

{X}{G}{G}: Put X +1/+1 counters on target land you control. That land becomes a 0/0 Elemental creature with haste. It's still a land.