msem-instigator

Destroy target non-Assassin, non-Ninja, non-Rogue creature.

When Telarine Riftcrosser enters, create a 1/1 Scout creature token that's all colors.
Creature tokens you control have menace.

Flying, lifelink
Sacrifice a creature: Until end of turn, Turned Watcher gets +1/+0 and gains “Whenever Turned Watcher deals combat damage to a player, draw a card.”

When Twisted Predator dies, you draw a card and you lose 1 life.

Creature cards in your graveyard have revive {2}{B}{B}. ({2}{B}{B}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

When Undying Watcher enters, germinate. (Put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)
Sacrifice another creature: Undying Watcher gains indestructible until end of turn.

Menace
Whenever another creature dies, put a +1/+1 counter on Veilborn Stalker.

Discard a card: Warpblade Warrior gets +1/+1 and gains menace until end of turn. Activate only once each turn.

At the beginning of your upkeep, choose two different basic land types. Create a colorless land token that's the chosen types.
At the beginning of your end step, sacrifice a land.

Whenever an artifact or enchantment you control enters, Armament Scavenger gets +1/+0 and gains trample until end of turn.

Blazing Volley deals 1 damage to each creature your opponents control.

Menace, haste
Cadence (Whenever you cast a spell, if its mana value is greater than this creature's power, put a +1/+1 counter on this creature.)

When Cadalon Experimenter enters, if you control an artifact, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

{2}{R}, Sacrifice an artifact or creature: It deals 2 damage to any target.

Search your library for up to two land cards with basic land types, put them onto the battlefield, then shuffle. Sacrifice two lands at the beginning of the next end step.

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
When Demolitionist Deviser dies, it deals damage equal to its power to any target.

Haste
{6}{R}: Diasune Immolator deals 4 damage to target player or planeswalker.

Whenever an artifact you control is put into a graveyard from the battlefield, create a 4/4 red Dragon creature token with flying.

{1}{R}: Earnest Labourer gets +2/+0 until end of turn.
{4}{G}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Create three tapped colorless Powercell artifact tokens with “{T}: Add {C}.” Then untap all artifacts you control. At the beginning of the next end step, sacrifice three artifacts.

Artifact creatures you control have haste.
At the beginning of your upkeep, create a 1/1 colorless Construct artifact creature token. If you control six or more artifacts, create a 6/6 colorless Golem artifact creature token instead. Tokens created this way attack this turn if able.

Enchant creature
Enchanted creature gets +2/+2 and has flying and haste.
When enchanted creature dies, return it to the battlefield under its owner's control.

As an additional cost to cast this spell, discard a card.
Draw two cards. Gift of the Phoenix deals 2 damage to you.

Until end of turn, gain control of target creature and it gains haste and shimmer. Untap it. (Whenever it attacks this turn, create a tapped and attacking token that's a copy of it. Exile that token at the beginning of the end step.)

Destroy target nonbasic land.