msem-instigator

First strike
{1}{R}: Transform Embercut Duelist. Activate only if it's attacking.

Colossal 2—{3}{R} (You may cast this for its colossal cost to have it enter with two +1/+1 counters; or pay {3}{R} as a sorcery: Put two +1/+1 counters on it if it has none.)
When Emberhound's colossal ability puts one or more counters on it, target creature can't block this turn.

First strike
At the beginning of your end step, if Emberslash Werewolf didn't attack this turn, transform it.

Permanents your opponents control enter tapped.
Whenever a permanent enters tapped and under your control, untap it.
Cycling {2} ({2}, Discard this card: Draw a card.)

Colossal 4—{4}{G}{G}{G} (You may cast this for its colossal cost to have it enter with four +1/+1 counters; or pay {4}{G}{G}{G} as a sorcery: Put four +1/+1 counters on it if it has none.)
Whenever a nontoken creature you control with a counter on it dies, create a 4/4 green Hydra creature token.

Chronicle (As this enters and after your draw step, add a lore counter. Stop after III.)
[Lore I-II] Scry 1.
[Lore III] Target creature you control can't be blocked until end of turn.

This spell costs {2} more to cast for each target beyond the first.
Choose one or more —
• Remove all counters from target non-Gorgon creature. If it has toughness 2 or less, destroy it.
• Return target creature or planeswalker card from your graveyard to your hand. You gain 4 life.
• Exile target player's graveyard.

Deathtouch
Enopraxia gets +3/+3 as long as there are three or more creature cards in your graveyard.
At the beginning of your end step, if a creature card was put into your graveyard from anywhere this turn, draw a card.

Whenever Ensnaring Possessor attacks, you may tap or untap target permanent.
{1}{U}, {T}: Until end of turn, target creature gets +1/+1 and gains “Whenever this creature attacks, you may tap or untap target permanent.” Activate only as a sorcery.

Menace
Whenever Entrail Elemental deals combat damage to a player, you may cast target card from your graveyard this turn. If an instant or sorcery spell cast this way would be put into your graveyard, exile it instead. (You still pay its costs. Timing rules still apply.)

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Destroy target creature with flying.
• Target creature you control fights target creature an opponent controls.

Vigilance
When Envoy of Karametra enters, for each kind of counter on target permanent, put another counter of that kind on it or remove one from it.

Encourage ({T}: Another target creature you control gets +1/+1 until end of turn. Encourage only as a sorcery.)
Whenever Eos Beseecher encourages a creature, look at the top card of your library. If it's a creature card with power 2 or less, you may reveal it and put it into your hand.

Flying
When Ephara's Watcher enters, scry 2.

Indestructible
As long as your devotion to white and blue is less than seven, Ephara isn't a creature.
You may cast creature and enchantment spells as though they had flash.
Whenever another creature or enchantment you control enters, you gain 1 life.

Chronicle (As this enters and after your draw step, add a lore counter. Stop after III.)
[Lore I-II] Until your next turn, target creature an opponent controls gets -1/-0.
[Lore III] Scry 2, then draw a card.

Enchant creature
When Erase Identity enters, tap enchanted creature.
Enchanted creature loses all abilities.
Enchanted creature doesn't untap during its controller's untap step.

Enchant creature you control
When Erebos's Benefaction enters, scry 2.
Enchanted creature gets +2/+2 and has menace.

Whenever Erebos's Whipslang or another enchantment you control enters, each opponent loses 1 life and you gain 1 life.

Indestructible
As long as your devotion to black is less than five, Erebos isn't a creature.
Other creatures you control dying causes abilities of that creature to trigger as though it entered.
{2}{B}: Each opponent loses 1 life. You gain life equal to the life lost this way.

Reach, menace

Erupting Territory enters tapped.
{T}: Add {B} or {R}.
{1}, {T}: Add one mana of any color.

When Escaped Ooze enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
{3}{G}: Put a +1/+1 counter on Escaped Ooze.

Choose two —
• Exile target spell.
• Target player may scry 2. If they do, they draw a card.
• Return target artifact card from your graveyard to the battlefield.
• Destroy target nonartifact creature.

Esper Shardseeker can't be blocked.
Plainscycling {1}, swampcycling {1} ({1}, Discard this card: Search your libary for a Plains or Swamp card, reveal it, put it into your hand, then shuffle.)