msem-instigator

Menace, haste
Whenever another creature dies, you get a blood counter.
{B}{R}, Pay two blood counters: Return Dthan, Who Bloodies the Sands from your graveyard to the battlefield.

Put a +1/+1 counter on target creature you control if it's enchanted or equipped. It deals damage equal to its power to up to one other target creature.

Vigilance, ward {2}
{1}{G}, {T}: Put a +1/+1 counter on Dunetreader Tortoise. Activate only as a sorcery.

Whenever a land you control enters, upgrade target creature. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Vigilance
• Trample

Creatures your opponents control get -1/-0 until end of turn for each different creature type among creatures you control.

{T}: Add {C}.
{T}, Pay 1 life: Add {G}.
{6}{G}, {T}, Sacrifice Ecological Refuge: Create two 3/3 green Wurm creature tokens. Activate only as a sorcery.

You may reveal an Avatar or planeswalker card you own from outside the game and put it into your hand.

{1}{R}, {T}, Sacrifice an artifact: Elise, Maktali Prodigy deals 2 damage to any target.
{1}{U}, {T}, Sacrifice an artifact: Return target nonland permanent to its owner's hand.
{3}{U}{R}, {T}, Sacrifice three artifacts: Discard your hand, then draw seven cards.

Whenever you cast an instant or sorcery spell, exile cards from the top of your library until you exile an instant or sorcery card. You may cast that card until you exile another card with this ability.

Foresight — Whenever you draw your second card each turn, Elusive Sage can't be blocked this turn.

Engulf in Flames deals 1 damage to target player and each of up to three target creatures that player controls. Those creatures can't block this turn.

Whenever a creature attacks you or a planeswalker you control, upgrade Enigmatic Protector. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Flying
• Prowess

Whenever a land you control enters, add one mana of any color.
Whenever Enraged Fangwurm attacks, you may sacrifice a land. If you do, Enraged Fangwurm deals 2 damage to target player or planeswalker.

Trample
Whenever a creature you control with trample is dealt damage, put a +1/+1 counter on it. (It must survive the damage to get the counter.)

Enchant creature
Enchanted creature loses all abilities and is a blue Wizard creature with base power and toughness 1/1.

Whenever Ensouled Thief attacks, upgrade it. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Prowess

Whenever another creature dies, upgrade Entitled Griefer. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Deathtouch
• Lifelink

You may reveal a legendary card you own from outside the game and put it into your hand. Exile Epic Encounter.

{T}: Add {C}. Spend this mana only to cast an instant or sorcery spell.
Whenever you cast a glitched spell, scry 2.

Whenever you cast an instant or sorcery spell, upgrade Error Exploiter. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Flying
• Hexproof

Essence Manipulator enters with a +1/+1 counter on it.
At the beginning of combat on your turn, you may move a counter from target creature onto another target creature with the same controller.

Eternal Duneborn enters tapped.
Foresight — Whenever you draw your second card each turn, return Eternal Duneborn from your graveyard to your hand.

At the beginning of your upkeep, draw a card and reveal it. You lose life equal to that card's mana value unless you control an Eve planeswalker.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
Whenever Eve's Spiritstalker attacks or mentors a creature, you lose 1 life.

[+1]: Creatures you control gain deathtouch until end of turn.
[–1]: Each player loses 3 life unless they discard a card or sacrifice a creature.
[–6]: You get an emblem with “You may play permanent cards from your opponent's graveyards, and you may spend mana as though it was mana of any color to do so.”