msem-instigator

When Blessed Bladewright enters, create a Weapon token. (It's an Equipment artifact with “Equipped creature gets +1/+1” and equip {2}.)
Whenever an Equipment token you control enters, attach it to up to one target creature you control.

Return up to two target artifact, creature, and/or enchantment cards with mana value 3 or less from your graveyard to the battlefield.
Flashback {4}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Lifelink

At the beginning of your end step, if you control two or more artifacts and/or enchantments, transform Avacyn's Partisan.

Choose one —
• You gain hexproof until end of turn.
• Target creature you control gains double strike until end of turn.
• Exile target card from a graveyard. You gain 4 life.

Flying, vigilance
At the beginning of your end step, return up to one target permanent card from your graveyard to the battlefield with an indestructible counter on it.

This spell costs {X} less to cast, where X is the amount of life you've gained this turn.
Flying
When Angel of Sunrise enters, each opponent exiles a Spirit, Vampire, Werewolf, Zombie, or double-faced permanent they control.

Create two 1/1 white Human creature tokens.

Flying, vigilance
Whenever Alabaster Avenger attacks, if it's enchanted or equipped, it gains first strike until end of turn.

Enchant creature you control
Enchanted creature gets +2/+2.
When enchanted creature dies, return Alabaster Halo to the battlefield transformed under your control.

{T}: Add {C}.
{5}, {T}, Sacrifice War Golem Forge: Create a 3/3 colorless Golem artifact creature token.

{T}: Add {C}.
{4}, {T}: Create a 0/1 white Goat creature token.
{T}, Sacrifice X Goats: Add X mana of any one color. You gain X life.

({T}: Add {W} or {U}.)
Pool of Light enters tapped unless you control a basic Plains or a basic Island.

Planar Alignment enters tapped.
{T}: Add {C}.
{6}, {T}, Exile Planar Alignment: Search your library for a card, put it into your hand, then shuffle.

({T}: Add {B} or {R}.)
Lavatorn Fields enters tapped unless you control a basic Swamp or a basic Mountain.

({T}: Add {G} or {W}.)
Heart of the Glade enters tapped unless you control a basic Forest or a basic Plains.

({T}: Add {R} or {G}.)
Flourishing Crevasse enters tapped unless you control a basic Mountain or a basic Forest.

({T}: Add {U} or {B}.)
Flooded Morass enters tapped unless you control a basic Island or a basic Swamp.

Well of Eternity enters with X charge counters on it.
At the beginning of your first main phase, choose a color, then add one mana of that color for each charge counter on Well of Eternity.

{T}: Add {B}.
{B}, {T}: Target creature gains menace until end of turn.

When Twinforged Golem enters, create a 3/3 colorless Golem artifact creature token.

Equipped creature gets +2/+1.
Whenever a creature you control enters, you may have equipped creature gain your choice of flying, vigilance, first strike or trample until end of turn.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Stonework Idol's power and toughness are each equal to the number of creatures you control.

Equipped creature gets +1/+0 for each instant and sorcery card in your graveyard.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

When Sentient Contraption enters, create a 1/1 colorless Thopter artifact creature token with flying.