msem-instigator

Defender
Venerable Loremaster can attack as though it didn't have defender if it's in a pack. (Two or more creatures you control with equal power are in a pack.)

Flash
Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{T}: Target creature gets +0/+4 until end of turn.

Flying
Venerable Skyblade can't attack unless defending player controls a creature with flying.
When Venerable Skyblade enters, you may put a +1/+1 counter on target creature you control.

Venerated Beast can't be blocked by more than one creature.

Adorned — At the beginning of your end step, if Venerated Knight is equipped and/or enchanted, put a +1/+1 counter on it.

Flying
Whenever Venerated Sanctity deals combat damage to a player, put a faith counter on it. Then you may pay {X}{W} and sacrifice Venerated Sanctity. When you do, exile target nonland permanent with mana value less than or equal to X plus the number of faith counters on Venerated Sanctity.

Haste
Whenever you cast a noncreature spell, put a +1/+1 counter on Vengeant Precursor. It gains trample until end of turn.

Whenever a creature you control dies, Vengeant Souls deals 1 damage to any target.

Lifelink
Whenever a creature without a bounty counter on it dies, you may pay 1 life. When you do, post a bounty on target creature. (Put a bounty counter on that creature. It has “When this creature dies, each opponent draws a card” as long as it has a bounty counter on it.)

Whenever another creature you control dies, creatures you control get +1/+0 until end of turn.
Whenever this creature attacks, you may pay {2}{R} and sacrifice another creature. If you do, this creature gains menace until end of turn.

Whenever a Survivor you control dies, each opponent loses 1 life and you gain 1 life.

Flash
Flying
Sacrifice Vengeful Messenger: Counter target noncreature spell unless its controller pays {2}.

Opponents drawing a card during your turn causes one death knell of a permanent you control to trigger.
Death knell — Spells target opponent casts this turn cost {1} more to cast. (As a creature you control dies, trigger one death knell of that creature or another permanent you control.)

Equipped creature gets +1/+0.
Equipped creature has deathtouch as long as it's attacking.
Equip {1}

Trample
Whenever a creature dies, put a +1/+1 counter on Venomclaw Skitterer. You gain 1 life.

Deathtouch
Menagerie — When Venomfrill Familiar enters, if there are five or more creature types among creatures you control, you may destroy target creature or planeswalker.

Primal {1}{B}{B} (During your turn, you may cast this spell for {1}{B}{B} instead of playing a land.)
Deathtouch
When Venomous Gorran enters, if you cast it for its primal cost, it fights target creature.

Enchant creature
Enchanted creature gets -X/-X, where X is the number of creature cards in your graveyard.

Frenzy 1 (Whenever this creature attacks and isn't blocked, it gets +1/+0 until end of turn.)
Whenever Venomous Haploc becomes blocked, other creatures you control gain deathtouch until end of turn.

Reach (This creature can block creatures with flying.)
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Reach
Whenever Venomtongue Archer deals damage to a creature, put that many -1/-1 counters on that creature.

(Add a quest counter as this enters. Sacrifice after 3.)
Whenever you cast an Equipment or Adventure spell, add a quest counter.
1, 2 — Exile the top two cards of your library, then choose one of them. You may play that card until the end of your next turn.
3 — Until end of turn, target creature you control gets +1/+0 and gains double strike, vigilance, and indestructible.

Flying, haste
Venwyn, the Dragon's Fang can't block.
At the beginning of combat on your turn, you may pay {1}{R/G}. If you do, create a token that's a copy of target creature you control with mana value 3 or less, except it's not legendary and has haste. Exile that token at end of combat.

{T}: Add {C}.
{T}, Pay 1 life: Add {R} or {G}.

Enchant creature
Enchanted creature has “{T}: Add one mana of any color. Put a +1/+1 counter on this creature.”