This spell can't be countered. You may have this creature enter as a copy of any creature on the battlefield, except it enters with X additional +1/+1 counters on it.

This creature enters with X +1/+1 counters on it. {2}: Put a +1/+1 counter on this creature, then you may reselect which player this creature is attacking. Only the player this creature is attacking may activate this ability and only during the declare attackers step. (It can't attack its controller.)

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

When Gadwick enters, draw X cards. Whenever you cast a blue spell, tap target nonland permanent an opponent controls.

Vigilance Hydra spells you cast cost {4} less to cast. Whenever a creature you control becomes the target of a spell, Gargos fights up to one target creature you don't control.

When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield. Then shuffle the rest into your library. This creature enters with X +1/+1 counters on it.

Grakmaw enters with three +1/+1 counters on it. Whenever another creature you control dies, if it had a +1/+1 counter on it, put a +1/+1 counter on Grakmaw. When Grakmaw dies, create an X/X black and green Hydra creature token, where X is the number of +1/+1 counters on Grakmaw.

This creature enters with four +1/+1 counters on it. {2}{G}{G}: Put X +1/+1 counters on this creature, where X is its power.

Trample Embalm {3}{G} ({3}{G}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Snake Hydra with no mana cost. Embalm only as a sorcery.)

This creature enters with X +1/+1 counters on it. When this creature dies, create a 1/1 green Snake creature token for each +1/+1 counter on it. Morph {3}{G}{G} As this creature is turned face up, put five +1/+1 counters on it.

This creature enters with X +1/+1 counters on it. This creature can't be blocked by more than one creature. Whenever this creature is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.)

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

When you cast this spell, you gain half X life and draw half X cards. Round down each time. Flying, trample This creature enters with X +1/+1 counters on it.

If a creature would deal combat damage to this creature, prevent that damage and put a +1/+1 counter on this creature.

Trample This creature enters with four +1/+1 counters on it. Whenever this creature attacks, double the number of +1/+1 counters on each creature you control.

Trample This creature enters with X +1/+1 counters on it. When this creature dies, you gain life and draw cards equal to its power.

Trample Whenever a player casts a spell, put a +1/+1 counter on this creature.

This spell can't be countered. Haste, protection from blue This creature enters with X +1/+1 counters on it.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) If damage would be dealt to this creature, prevent that damage. Put a -1/-1 counter on this creature for each 1 damage prevented this way.

Polukranos enters with six +1/+1 counters on it. It escapes with twelve +1/+1 counters on it instead. If damage would be dealt to Polukranos while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from it. {1}{B}{G}: Polukranos fights another target creature. Escape—{4}{B}{G}, Exile six other cards from your graveyard.

{X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When Polukranos becomes monstrous, it deals X damage divided as you choose among any number of target creatures your opponents control. Each of those creatures deals damage equal to its power to Polukranos.

This creature enters with X +1/+1 counters on it. At the beginning of your upkeep, double the number of +1/+1 counters on this creature. This creature has trample as long as it has ten or more +1/+1 counters on it.

This creature enters with X +1/+1 counters on it. If damage would be dealt to this creature, prevent that damage and remove that many +1/+1 counters from it. Whenever a +1/+1 counter is removed from this creature, put two +1/+1 counters on it at the beginning of the next end step.

Vigilance, reach, trample This creature gets +1/+1 as long as you control a Desert. This creature gets +1/+1 as long as there is a Desert card in your graveyard.

Trample This creature enters with two +1/+1 counters on it. {T}, Sacrifice another creature: Put a number of +1/+1 counters on this creature equal to the sacrificed creature's toughness.

This creature enters with X +1/+1 counters on it. {2}{G}, Remove a +1/+1 counter from this creature: Destroy target artifact or enchantment.

Reach, trample, protection from multicolored This creature enters with X +1/+1 counters on it.

Whenever you cast a spell with mana value 5 or greater, draw a card.

Reach Ulvenwald Hydra's power and toughness are each equal to the number of lands you control. When this creature enters, you may search your library for a land card, put it onto the battlefield tapped, then shuffle.

This creature enters with X +1/+1 counters on it. When this creature dies, you may distribute a number of +1/+1 counters equal to the number of +1/+1 counters on this creature among any number of creatures you control.

Trample This creature enters with X +1/+1 counters on it. When this creature enters, choose one — • Double the number of +1/+1 counters on this creature. • This creature fights target creature you don't control.

This creature enters with X +1/+1 counters on it. {4}: Put a +1/+1 counter on this creature. Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

Reach When this creature enters, destroy all creatures with flying. Put a +1/+1 counter on this creature for each creature destroyed this way.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Draw X cards, then discard a card.

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

Return all nonland permanents with mana value X or less to their owners' hands.

Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle. If X is 10 or more, creatures you control get +X/+X and gain haste until end of turn.

Destroy up to three target creatures with toughness X or less. If X is 10 or more, return all creature cards from your graveyard to the battlefield.

Draw X cards. If X is 10 or more, instead shuffle your graveyard into your library, draw X cards, untap up to five lands, and you have no maximum hand size for the rest of the game. Exile Finale of Revelation.

Destroy each nonland permanent with mana value X or less.

Reveal the top X cards of your library. You may put any number of permanent cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.

Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.

For each creature, its controller sacrifices it unless they pay X life.

Gain control of X target creatures and/or planeswalkers.

Choose two — • Target player loses X life. • Return target creature card with mana value X or less from your graveyard to the battlefield. • Target creature gets -X/-X until end of turn. • Up to X target creatures gain fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)

Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent of their choice or discards a card.

Target opponent exiles the top X cards of their library. You may cast any number of spells with mana value X or less from among them without paying their mana costs.