Kicker and/or (You may pay an additional and/or as you cast this spell.)
If Necravolver was kicked with its kicker, it enters the battlefield with two +1/+1 counters on it and with trample.
If Necravolver was kicked with its kicker, it enters the battlefield with a +1/+1 counter on it and with "Whenever Necravolver deals damage, you gain that much life."

You may cast Necromancy as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
When Necromancy enters the battlefield, if it's on the battlefield, it becomes an Aura with "enchant creature put onto the battlefield with Necromancy." Put target creature card from a graveyard onto the battlefield under your control and attach Necromancy to it. When Necromancy leaves the battlefield, that creature's controller sacrifices it.

All Slivers have ", Sacrifice this permanent: Destroy target permanent."

Counter target noncreature spell.

: Exile target card from an opponent's graveyard. If no cards are in that graveyard, flip Nezumi Graverobber.

Flying
At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay .
Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.

: Put target creature card from a graveyard onto the battlefield under your control.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Nightshade Peddler is paired with another creature, both creatures have deathtouch.

[+1]: Search your library for a card named Nissa's Chosen and put it onto the battlefield. Then shuffle your library.
[+1]: You gain 2 life for each Elf you control.
[−7]: Search your library for any number of Elf creature cards and put them onto the battlefield. Then shuffle your library.

When Noble Benefactor dies, each player may search their library for a card and put that card into their hand. Then each player who searched their library this way shuffles it.

When Noggle Hedge-Mage enters the battlefield, if you control two or more Islands, you may tap two target permanents.
When Noggle Hedge-Mage enters the battlefield, if you control two or more Mountains, you may have Noggle Hedge-Mage deal 2 damage to target player or planeswalker.

: Add .
, : Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

Indestructible
As long as your devotion to green is less than five, Nylea isn't a creature. (Each in the mana costs of permanents you control counts toward your devotion to green.)
Other creatures you control have trample.
: Target creature gets +2/+2 until end of turn.

Enchant creature
Enchanted creature has base power and toughness 8/8 and has "Whenever this creature attacks, you may tap target creature with power 8 or less."
Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Flip a coin. If it comes up heads, counter target instant or sorcery spell. If it comes up tails, copy that spell and you may choose new targets for the copy.

At the beginning of your upkeep, you gain 2 life.
Whenever you gain life, you may pay . If you do, draw a card and each opponent loses 1 life.
At the beginning of your upkeep, if Oloro, Ageless Ascetic is in the command zone, you gain 2 life.

Landfall — Whenever a land enters the battlefield under your control, create a 5/5 red and green Elemental creature token.
Whenever Omnath, Locus of Rage or another Elemental you control dies, Omnath deals 3 damage to any target.

When Oubliette enters the battlefield, target creature phases out until Oubliette leaves the battlefield. Tap that creature as it phases in this way. (Auras and Equipment phase out with it. While permanents are phased out, they're treated as though they don't exist.)

Counter target spell.
At the beginning of your next upkeep, pay . If you don't, you lose the game.

If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.