Each opponent loses X life. You gain life equal to the life lost this way.

Assist (Another player can pay up to {X} of this spell's cost. You choose the value of X.) Destroy target creature with power X or less.

Destroy target creature with power X or less.

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

Mill X cards. Target player loses 2 life for each creature card put into your graveyard this way.

Return two target creature cards from your graveyard to your hand unless any player pays {X}.

Look at twice X cards from the top of your library. Put X cards from among them into your hand and the rest into your graveyard. You lose X life.

This creature enters with X +1/+1 counters on it. Coven — At the beginning of your end step, if you control three or more creatures with different powers, put a +1/+1 counter on target creature you control.

This creature enters with X +1/+1 counters on it. {3}: Put a +1/+1 counter on this creature. Any player may activate this ability.

This creature enters with X +1/+1 counters on it.

This creature enters with X +1/+1 counters on it. {1}{G}: Regenerate this creature.

Put X +1/+1 counters on target artifact you control. If it isn't a creature or Vehicle, it becomes a 0/0 Construct artifact creature.

Bestow {X}{G}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) Reach, trample This permanent enters with X +1/+1 counters on it. Enchanted creature gets +1/+1 for each +1/+1 counter on this Aura and has reach and trample.

This creature enters with X +1/+1 counters on it. Whenever one or more +1/+1 counters are put on another non-Hydra creature you control, put a +1/+1 counter on this creature.

Cast this spell only during the declare blockers step. X target attacking creatures become blocked. Choking Vines deals 1 damage to each of those creatures. (This spell works on creatures that can't be blocked.)

Prevent all combat damage X target creatures would deal this turn.

Creatures of the creature type of your choice get +X/+X until end of turn.

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Trample Heavy Power Hammer — Whenever this creature deals combat damage to a player, destroy target artifact or enchantment that player controls.

({G/P} can be paid with either {G} or 2 life.) Corrosive Gale deals X damage to each creature with flying.

Destroy target artifact or enchantment with mana value X. It can't be regenerated. You gain X life.

Target creature you control deals damage equal to its power to each of X target creatures and/or planeswalkers.

Tropical Storm deals X damage to each creature with flying and 1 additional damage to each blue creature.

Create X X/X green Ooze creature tokens.

Target creature gets +X/+X until end of turn. Create a 1/1 green and white Citizen creature token.

Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it.

This spell costs {3} less to cast if it targets a creature whose controller has eight or more cards in their graveyard. Gain control of target creature with mana value X.

Flying This creature enters with X +1/+1 counters on it.

X target creatures can't be blocked this turn. Until end of turn, those creatures gain "Whenever this creature deals combat damage to a player, draw a card."

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Choose one — • Tap X target permanents. • Untap X target permanents.

Put X +1/+1 counters on target creature you control. Then counter up to one target spell unless its controller pays mana equal to the greatest power among creatures you control.

Prevent the next X damage that would be dealt to you this turn. Draw a card.

Tap X target creatures. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Hail of Arrows deals X damage divided as you choose among any number of target attacking creatures.

Prevent the next X damage that would be dealt to target creature this turn. For each 1 damage prevented this way, put a +1/+1 counter on that creature.

You gain X plus 3 life.

{T}: Add {G}. When you spend this mana to cast a spell with mana value 6 or greater, draw a card. Partner (You can have two commanders if both have partner.)

{T}: Add {G} for each Forest you control.

Exhaust — {X}{G}{G}{U}: Put X +1/+1 counters on Sita Varma. Then you may have the base power and toughness of each other creature you control become equal to Sita Varma's power until end of turn. (Activate each exhaust ability only once.)

{T}: Add {G}{U}. Spend this mana only to cast spells with mana value 5 or greater or spells with {X} in their mana costs. {U}, {T}: Draw a card, then discard a card.

Whenever a creature deals combat damage to one of your opponents, its controller may draw a card.

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.

{T}: Add two mana in any combination of colors. Spend this mana only to cast creature spells or activate abilities of creature sources. Whenever you cast a creature spell with power 5 or greater, put a +1/+1 counter on Gwenna and untap it.

Vigilance, reach When Harold and Bob dies, if it was a creature, return it to the battlefield. It's an Aura enchantment with enchant Forest you control and "Enchanted Forest has '{T}: Add three mana of any one color. You get two rad counters.'" Harold and Bob loses all other abilities.

{T}: Put target creature card from your graveyard on top of your library. Activate only during your turn, before attackers are declared.

Hurricane deals X damage to each creature with flying and each player.

Kurbis enters with a number of +1/+1 counters on it equal to the amount of mana spent to cast it. Remove a +1/+1 counter from Kurbis: Prevent all damage that would be dealt this turn to another target creature with a +1/+1 counter on it.

At the beginning of your first main phase, add {R} or {G} for each Raccoon you control. Whenever you expend 4, you gain 3 life. (You expend 4 as you spend your fourth total mana to cast spells during a turn.) Whenever you expend 8, exile the top two cards of your library. Until the end of your next turn, you may play those cards.

During your turn, Radha has first strike. You may look at the top card of your library any time, and you may play lands from the top of your library. {4}{R}{G}: Radha gets +X/+X until end of turn, where X is the number of lands you control.

Whenever Radha attacks, you may add {R}{R}. {T}: Add {G}.

Trample Whenever a Saproling you control deals combat damage to a player, create that many 1/1 green Saproling creature tokens.

{4}: Scry 1, then reveal the top card of your library. If it's a land card, put it onto the battlefield tapped. Otherwise, draw a card. Partner (You can have two commanders if both have partner.)

Flying Vrestin enters with X +1/+1 counters on it. When Vrestin enters, create X 1/1 green and white Alien Insect creature tokens with flying. Whenever you attack with one or more Insects, put a +1/+1 counter on each of them.