msem-instigator

You have no maximum hand size.
{T}: Add {C}.
{3}, {T}: Create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)

{T}: Add {C}.
{T}, Sacrifice Alchemist's Abode and another permanent: Draw a card. Activate only during your turn.

Equipped creature and creatures you control that share a name with it get +1/+0.
Whenever equipped creature attacks, create a tapped and attacking token that's a copy of that creature, except it's not legendary. Exile that token at the beginning of the next end step.
Equip {2}

When Alchemist's Kit enters, you may return target creature to its owner's hand.
2U, Sacrifice Alchemist's Kit: Draw a card.

{T}, Pay 1 life: Add {G} or {U}.
{2}, {T}, Sacrifice Alchemist's Laboratory and another permanent: Draw a card. Activate only during your turn.

{T}, Sacrifice a Treasure, Gold, or permanent named Lotus Petal: Add two mana of any one color.
{T}, Sacrifice a Clue or Omen: Scry 2, then draw a card.
{T}, Sacrifice an Idol: Put two +1/+1 counters on target creature.
{T}, Sacrifice a Food: You gain 6 life.
{T}, Sacrifice a Bullet: Alchemos, Efficiency Engine deals 3 damage to any target.

When Alder Courtier dies, you gain 4 life.

Deathtouch
Whenever a creature you don't control dies, choose one —
• Create a Treasure token.
• You draw a card and you lose 1 life.

Deathtouch
When Aldrane's Masterpiece enters, look at the top six cards of your library. You may put a Zombie card with lesser mana value from among them onto the battlefield. Put the rest on the bottom of your library in a random order.
Other Zombies you control get +1/+1.

{2}{B}, {T}, Discard a card: Create a 2/2 black Zombie creature token. If a noncreature card was discarded this way, that token enters tapped.

Vigilance, lifelink
At the beginning of each end step, if you gained life or glory this turn, you get a glory counter. (You lose glory counters before life. A player with ten or more glory counters wins the game.)

At the beginning of your upkeep, you may sacrifice a Goblin. If you do, Alenian Boom Squad deals 2 damage to any target.

When Alenian Cruel-Star enters, put a +1/+1 counter on it if you control another Goblin.

Other Goblins you control get +1/+0 and have menace.

Equipped creature gets +1/+0 for each Equipment attached to it.
Equip {1}

Haste
Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)

[+1]: Whenever a creature you control attacks this turn, Aleryn, Dungeon Disabler deals 1 damage to the defending player.
[–1]: Add X mana in any combination of {R} and/or {G}, where X is the number of creatures you control.
[–6]: You get an emblem with “Whenever a player casts a spell, this emblem deals 3 damage to any target.”

Whenever a land you control enters, create a 1/1 red Elemental creature token. Then if you control three or more Elementals, exile Aleryn, Trapseeker, then return him to the battlefield transformed under his owner's control.

Menace
At the beginning of your upkeep, put a prize counter on target permanent you don't control.
Whenever a permanent with a prize counter on it is put into a graveyard from the battlefield, return it to the battlefield under your control.

Aleud Beastmaster has frenzy X, where X is the number of unblocked attacking creatures you control. (Whenever it attacks and isn't blocked, it gets +X/+0 until end of turn.)

Frenzy 1 (Whenever this creature attacks and isn't blocked, it gets +1/+0 until end of turn.)
Aleud Bladedancer has hexproof as long as it's attacking.

Frenzy 2 (Whenever this creature attacks and isn't blocked, it gets +2/+0 until end of turn.)
Whenever Aleud Blademaster becomes blocked, it gains double strike until end of turn.

Enchant creature
Enchanted creature gets +2/+2 and has hexproof.
Sacrifice Aleud Grace: Enchanted creature gains indestructible until end of turn.

Frenzy 1 (Whenever this creature attacks and isn't blocked, it gets +1/+0 until end of turn.)
Whenever Aleud Pathfinder becomes blocked, untap up to two lands you control.

Harmony — Warriors you control get +1/+0 and gain menace until end of turn.
Whenever Aleud Warcaller attacks, harmonize. (Trigger up to one harmony of a permanent you control.)