msem-instigator

Lifelink
When Telarine Runecarver enters, create a white Aura enchantment token named Relic's Gift attached to target creature. The token has enchant creature and “Enchanted creature gets +1/+1.”

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When Poisonheart Undead enters, you draw a card and you lose 1 life.

Flash
Flying
Prodigious Panya has base power and toughness 4/4 during extra turns.

Lifelink, haste
At the beginning of your end step, Fae-Frill Fox deals X damage to target player, where X is the number of times you gained life this turn.

Target creature and all other creatures with the same name as that creature get +2/+2 until end of turn.
Draw a card.

When The Raven Queen of Fretport enters, put a -1/-1 counter on each of any number of target creatures.
{2}{U}{B}: Proliferate. (Choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Put a +1/+1 counter on target creature you control.
III — Double the number of counters on target creature you control.
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Conjure Quicksand deals 1 damage to each creature and planeswalker you don't control and each battle you don't protect.

Flash
Reach
Glimmerbark Treant enters with X +1/+1 counters on it.
When Glimmerbark Treant leaves the battlefield, you gain life equal to its power.

Target creature +3/+3 and gains trample until end of turn.
Leitmotif (If you cast this spell from your hand, exile it as it resolves. When you next cast a spell that shares a color with this card, you may cast this from exile without paying its mana cost.)

Sunwing has flying as long as it's your turn.

Haste
When Blighted Dullahan dies, you draw a card and you lose 1 life.

Prowess
When One of Purpose enters, if you cast it, create a Function token with “If you cast this spell from your hand, exile it. You may cast it from exile until the end of your next turn.” (It's an enchantment. As you cast an instant or sorcery spell, sacrifice any number of Functions to add their effects to that spell.)

Wake of the Beast deals 2 damage divided as you choose among one or two targets.
Whenever a creature you control becomes monstrous, you may pay {R}. If you do, return Wake of the Beast from your graveyard to your hand.

Flying
Soldiers and Knights you control get +1/+1.

Inversion of Flesh deals 5 damage to each creature and each planeswalker, and 5 damage to each player with the highest life total or tied for highest life total among players.

Flash
{6}: Target creature gains flying until end of turn.

Whenever you attack with two or more Knights and/or Soldiers, you may have one of them seek valor. (Give it that Oath Aura. Fulfill it by it dealing combat damage to a player to create a 2/1 white Soldier token.)

Whenever Rambunctious Upstart attacks, up to one target creature gets -3/-1 until end of turn and up to one target creature gets +3/+1 until end of turn.

Create three 1/1 colorless Construct Actor creature tokens.

Slipstream Horizon enters tapped.
{T}: Add {U} or {R}.
{U}{R}, {T}, Sacrifice Slipstream Horizon: Conjure a card named Data-Point into your hand. (It's a sorcery that costs {2} with “Draw a card.”)

Menace
Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Gilded Sell-Sword gets +2/+0 as long as you're in a renaissance.

Pay 1 life, Exile a card from your graveyard: Piruz's Knight gets +2/+2 until end of turn. Activate this ability only once each turn.

When Curator of Cures enters, adjudicate. (Create a white Aura enchantment token with enchant creature and “Sacrifice this token: Untap enchanted creature” attached to target creature.)
Whenever an Aura you control enters, you gain 1 life.

When Goriana Earthshaker enters, you may untap target land you control. It becomes a 3/3 Elemental creature with haste until end of turn. It's still a land.