msem-instigator

At the beginning of your upkeep, you lose 1 life and choose one —
• Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)
• You may sacrifice an artifact. If you do, draw a card.

Equipped creature gets +2/+2 and has reach and protection from enchantment creatures. (It can't be blocked, targeted, or dealt damage by enchantment creatures.)
Equip {3}

As Road to Alratha enters, choose near or far.
Whenever you attack,
• Near — Creatures you control get +1/+1 until end of turn.
• Far — Put a +1/+1 counter on target creature you control. Untap it.

Flying
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Choose three. You may choose the same mode more than once.
• Return target creature with mana value 2 or less to its owner's hand.
• Scry 1, then draw a card, then discard a card.
• Target creature gets -2/-0 until end of turn and attacks this turn if able.

Whenever you cast a modal instant or sorcery spell, draw a card.
{W}{U}{B}{R}{G}: Copy target modal instant or sorcery spell. You may reselect modes and choose new targets for the copy, and you may choose an additional two modes and may choose the same modes more than once.

Ward {2}
Foresight — Whenever you draw your second card each turn, Royal Falconer gains flying until end of turn.

As long as you control another artifact, Ruin Guardian gets +1/+1.

Whenever you cast a cryptic spell, creatures you control get +1/+1 until end of turn. (Artifacts, enchantments, and modal spells are cryptic.)

When Ruins' Reward enters, draw a card, then discard a card.
{T}: Add one mana of any color.

Ward {2}
{G}{G}{G}, {T}, Exile a creature card from your graveyard: Search your library for up to two creature cards that share a name with the exiled card, reveal them, put them into your hand, then shuffle.

Whenever you cast a noncreature spell, look at the top card of your library. You may put it into your graveyard.
{4}{U}: Draw a card.
At the beginning of your upkeep, if there are twenty-four or more noncreature cards in your graveyard, you win the game.

Deathtouch

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Destroy target creature with flying.

Hexproof

Choose one —
• Target creature gets +4/+0 until end of turn.
• Sandstorm Charm deals 1 damage to target creature. It can't block this turn.
• Scry 1, then draw a card.

Trample
You may cast Sandswim Titan from exile. If you do, it enters with three +1/+1 counters on it.

Choose two —
• Target player creates a 3/3 green Wurm creature token.
• Target player puts three +1/+1 counters on a creature they control.
• Return target permanent card from your graveyard to your hand.
• Destroy target creature with flying.

When Sandwurm's Might enters, you may have target creature you control fight target creature you don't control.
Each creature you control enters with an additional +1/+1 counter on it.

As Scavenging Sandwurm enters, choose decay or remain.
When Scavenging Sandwurm dies,
• Decay — Draw a card.
• Remain — Create a 2/2 black Zombie creature token.

Flash
When Scholar of Necromancy enters, if a creature died this turn, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Flying
{1}{U}, Sacrifice Scholar's Assistant: Draw a card.

{3}{B}, Exile Screeching Duneborn from your graveyard: You gain 1 life and draw a card.

Return target cryptic card from your graveyard to your hand. (Artifacts, enchantments, and modal spells are cryptic.)

Menace
Whenever Searing Sandwurm is dealt damage, it deals that much damage to target player or planeswalker.