Banefire deals X damage to any target.
If X is 5 or more, this spell can't be countered and the damage can't be prevented.

Cast this spell only if you've cast another green spell this turn.
Trample

Target player discards X cards at random.

Creature spells can't be countered.

Draw X cards.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)
: Regenerate Troll Ascetic.

Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.

Equipped creature gets +3/+0 and has trample and lifelink.
Equip

Other Elf creatures get +1/+1 and have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

: Put a +1/+1 counter on target creature for each Elf you control.

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.
: Regenerate Mortivore. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Return all creatures to their owners' hands.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire.

Counter target spell. Search its controller's graveyard, hand, and library for all cards with the same name as that spell and exile them. Then that player shuffles.

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Creatures you control have double strike.

Flying
: This creature gets +1/+0 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Trample
If damage would be dealt to another creature you control, prevent that damage. Put a +1/+1 counter on that creature for each 1 damage prevented this way.
When Vigor is put into a graveyard from anywhere, shuffle it into its owner's library.

Haste (This creature can attack and as soon as it comes under your control.)
: Kamahl, Pit Fighter deals 3 damage to any target.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Other black creatures get +1/+1.
Nonblack creatures get -1/-1.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Molimo, Maro-Sorcerer's power and toughness are each equal to the number of lands you control.

When Denizen of the Deep enters, return each other creature you control to its owner's hand.

At the beginning of each upkeep, create a 1/1 green Saproling creature token.