msem-instigator

Prevent all combat damage that would be dealt this turn by creatures other than Citizens and Peasants.

Flying
Whenever Novaheart Dragon enters or attacks, you may take an extra turn after this one. If you do, you lose the game at the beginning of that turn's end step.

Flying
When Novaheart Guardian enters, it deals 4 damage to any target.
Whenever a creature or planeswalker dies, put a +1/+1 counter on Novaheart Guardian.

Whenever you cast a noncreature spell, Novice Pyromancer deals 1 damage to target player or planeswalker.

Noxan Altar enters tapped.
{T}: Add {W} or {B}.
{W}{B}, {T}, Tap an untapped creature you control: Create a Function token with “Lifelink.” (It's an enchantment. As you cast an instant or sorcery spell, sacrifice any number of Functions to add their effects to that spell.)

Noxious Garden enters tapped.
As Noxious Garden enters, choose a color other than black.
{T}: Add {B} or one mana of the chosen color.

Motivate 1 (When this creature enters, you may motivate target creature with less power than this by putting a +1/+1 counter on it.)
When Nroxi Beastmaster motivates a creature, that creature gains trample until end of turn.

As an additional cost to cast this spell, you may discard two cards. If you do, this spell costs {3} less to cast and it can't be countered.
Exile the top three cards of your library. You may play those cards until the end of your next turn.

Null Bit deals 3 damage to any target.
You may discard a card. If you do, draw a card.

Menace
Whenever you cast a glitched spell, Null Entity gets +2/+0 until end of turn for each time that spell was glitched.

Activated abilities of other permanents cost an additional “Sacrifice a permanent” to activate unless they're mana abilities.
{2}, {T}, Sacrifice Nullifier of Planar Energy: Remove all counters from target nonland permanent.

Survivors you control have haste.

Target attacking creature gets +3/+1 and gains trample until end of turn. (Then exile this card. You may cast the creature later from exile.)

Enchant creature you control
When Nylea's Benefaction enters, scry 2.
Enchanted creature gets +3/+3 and has reach.

Chronicle (As this enters and after your draw step, add a lore counter. Stop after III.)
[Lore I-II] Target creature you control can't be blocked by creatures with power 2 or less this turn.
[Lore III] Draw a card.

Indestructible
As long as your devotion to green is less than five, Nylea isn't a creature.
Whenever another creature you control deals combat damage to a player, draw a card.
{1}{G}: Until end of turn, another target creature you control gains haste and can't be blocked by creatures with power 3 or less.

Enchant creature
Whenever you cast a green spell, enchanted creature gets +2/+2 until end of turn.

Deathtouch
When Nyx-Eater Basilisk enters, exile up to one target enchantment.
{2}{G}, Discard Nyx-Eater Basilisk: Exile target enchantment.

Trample
Whenever you attack with another creature with power 4 or greater, put a +1/+1 counter on OH-14 Diamond.

Menace
When OM-6 Walker dies, OM-6 Walker deals damage to each player equal to twice the number of nonbasic lands that player controls.

Trample
When Oakcudgel Giant enters, you may destroy target artifact or enchantment.

Equipped creature has “{T}: This creature deals 1 damage to any target.”
Equip {3}

Reach
When Oaken Sentry enters, you gain 1 life for each creature card in your graveyard.

Whenever a creature you control dies, Oakpoint gets +4/+0 until end of turn.

Search your library for two basic land cards, reveal them, put them into your hand, then shuffle.