msem-instigator

{1}{U}{B}, Exile a creature card from your graveyard: Vestige of Evil has base power and toughness equal to the exiled creature's power and toughness until end of turn.

You may play an additional land on each of your turns.
{1}{B}{G}, Sacrifice a land: Draw a card.

Flying, prowess
{U}{R}, Exile an instant or sorcery card from your graveyard: Whimsical Elemental gets +1/+1 until end of turn.

Vanishing 4 (This permanent enters the battlefield with four time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
Equipped creature gets +3/+3.
Equip {2}

Equipped creature gets +1/+0.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{2}, {T}, Sacrifice Chronomancer's Bauble: For each permanent with a time counter on it, you may put a time counter on that permanent or remove a time counter from it.

{2}, Exile Cranial Archive: Target player shuffles their graveyard into their library. Draw a card.

Equipped creature gets +3/+0.
Whenever a creature you control attacks and isn't blocked, you may pay {4}. If you do, attach Feral Cleaver to that creature.
Equip {3}

{2}: Equipped creature gets +1/+0 until end of turn.
Equip {1}

Menace

Whenever equipped creature attacks, it gets +1/+0 until end of turn for each other attacking creature.
Tap two untapped creatures you control: Equipped creature gains trample until end of turn.
Equip {3}

Equipped creature gets +1/+1 for each Equipment attached to it.
Whenever an Equipment enters the battlefield under your control, attach it to equipped creature.
Equip {2}

{4}, Sacrifice Ruin Salvager: Return target card from your graveyard to your hand.

Creature spells you cast cost {2} less to cast.
Whenever a creature enters the battlefield under your control, if it doesn't have vanishing, put four time counters on it and it gains vanishing. (At the beginning of your upkeep, remove a time counter from that permanent. When the last is removed, sacrifice it.)

Equipped creature has vigilance and reach.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {B} or {R}.
{T}, Sacrifice Sigil of Destruction: Add {B}{R}.

{T}: Add {W} or {U}.
{T}, Sacrifice Sigil of Duty: Add {W}{U}.

{T}: Add {R} or {G}.
{T}, Sacrifice Sigil of Savagery: Add {R}{G}.

{3}, {T}, Sacrifice a non-Spirit creature: Create a 1/1 white Spirit creature token with flying.

{X}{2}, {T}, Sacrifice Tinkerer's Tools: Sacrifice an artifact. If you do, search your library for an artifact card with mana value less than or equal to the sacrificed artifact's mana value plus X. Put it onto the battlefield, then shuffle.

{3}, {T}, Sacrifice Wanderer's Talisman: Search your library for up to two basic land cards, reveal those cards, and put one onto the battlefield tapped and the other into your hand, then shuffle.

As Warmonger Contraption enters the battlefield, choose a creature type.
Warmonger Contraption is the chosen type in addition to its other types.
Warmonger Contraption's power and toughness are each equal to the number of creatures of the chosen type you control.

Equipped creature gets +1/+1 and has flying and haste.
Equip {3}

{T}: Add {C}.
{1}, {T}, Return Collapsing Ground to its owner's hand: Add one mana of any color.