msem-instigator

{T}: Add {C}.
{T}: Add one mana of any color among creatures you control.
{X}: Spirit Blossom Shrine becomes an X/X Spirit creature until end of turn. It's still a land. Activate only if you control a creature with power X.

Reveal the top three cards of your library. Target opponent may have you put those cards into your hand. Otherwise, put those cards into your graveyard, then draw three cards.

Whenever Abyssal Stalker attacks, defending player discards a card at random.
When Abyssal Stalker dies, you may choose a creature. If you do, exile Abyssal Stalker. When the chosen creature leaves the battlefield, return Abyssal Stalker from exile to the battlefield tapped.

When Covert Reinforcement enters, exile target nonland permanent an opponent controls until Covert Reinforcement leaves the battlefield.

Target creature gets +2/+2 until end of turn. You gain 2 life.

At the beginning of each upkeep, untap up to two target lands.

As an additional cost to cast this spell, exile two permanent cards from your graveyard.
You may cast Adiran Survivors from your graveyard.

Whenever you cast a noncreature spell, Shiverpass Taskmage explores. (Reveal the top card of your library. Put it into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then you may put that card in your graveyard.)

Choose two —
• Put two +1/+1 counters on target creature.
• Atieh's Command deals damage to any target equal to the greatest power among creatures you control.
• You gain life equal to the greatest power among creatures you control.
• Draw cards equal to the greatest power among creatures you control, then discard three cards.

When Queue Bouncer enters, return target creature to its owner's hand. If you control another Actor, instead put that creature on top of its owner's library.

When Knight's Attendant enters, create a 2/2 white Knight creature token with vigilance.

Tithe (As you cast this spell, you may tap three artifacts and/or creatures you control.)
You gain 6 life. If this spell's tithe was paid, draw a card.

When Scanning Module enters, crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)
Equipped creature gets +1/+1.
Equip {1}

When Weeping Yaoguai enters, create a 1/1 colorless Spirit creature token.
Scavenge {3}{B} ({3}{B}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Whenever you cast a black spell, choose up to X, where X is the number of black mana symbols in that spell's mana cost —
• Target player loses 1 life and you gain 1 life.
• Put a -1/-1 counter on target creature.
• You draw a card and you lose 3 life.
• Exile target card in a graveyard.

Target player discards a card and loses 2 life.
Draw a card.

{T}: Add {C}.
{2}, {T}: Target creature gains haste until end of turn.

Menace
Once during each of your turns, when you sacrifice a permanent, you may put a +1/+1 counter on Assimilated Runner.

Other Elves you control get +1/+1.
Whenever another Scout you control deals combat damage to a player, you may reveal the top card of your library. If it's a land card, put it onto the battlefield tapped.

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

{1}{U}, Tap an untapped Noble you control: Hired Blades gets +2/+1 until end of turn and can't be blocked this turn.

Counter target spell.

Whenever you draw your second card or cast your second spell each turn, put a +1/+1 counter on Monument to Quia.
{U}: Monument to Quia becomes a 0/0 Statue artifact creature with flying until end of turn.

Pierce the Sky deals 7 damage to target creature with flying.

Create a 2/2 black Zombie creature token.
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)