msem-instigator

Exile the top card of your library. You may cast it. (Then exile this card. You may play the land later from exile.)

Finish Off deals 2 damage to any target. If you've drawn two or more cards this turn, it deals 3 damage instead.
Cycling {3} ({3}, Discard this card: Draw a card.)

Flamingo Rock enters tapped unless you played it from exile.
{T}: Add {U} or {R}.

Flying
Menagerie — At the beginning of combat on your turn, if there are five or more creature types among creatures you control, create a 1/1 black Insect Spirit creature token with flying and you gain 1 life.

(Add a quest counter as this enters. Sacrifice after 3.)
At the beginning of your end step, if you have more life than an opponent, add a quest counter.
1, 2 — Mill two cards. You may put one of those cards into your hand. If you do, you lose 3 life. Otherwise, you gain 3 life.
3 — Return target creature or planeswalker card from your graveyard to the battlefield.

Create three 1/1 green Elk Rabbit creature tokens.
Menagerie — If there are five or more creature types among creatures you control, you may search your library for a card named Fluffpuff Frenzy, reveal it, put it into your hand, then shuffle.

At the beginning of your upkeep, if you have more life than an opponent, create a 1/1 black Insect Spirit creature token with flying.
{3}{B}: Each opponent loses X life and you gain X life, where X is the number of Clerics you control.

As an additional cost to cast this spell, you may pay {2} and tap an untapped Rogue you control. When you do, copy this spell and you may choose new targets for the copy.
Target creature gets -2/-2 until end of turn.

Creatures your opponents control get -1/-1 until end of turn. (Then exile this card. You may cast the creature later from exile.)

Target creature gets +2/+2 until end of turn. If that creature has mana value 2 or less, it also gains indestructible until end of turn.

{2}, Exile a card with a cycling ability from your graveyard: Draw a card.
Cycling {3}{G} ({3}{G}, Discard this card: Draw a card.)
When you cycle Foregone Ancestries, you may exile it. If you do, return target card with a cycling ability from your graveyard to your hand.

Forgotten Cryovault enters tapped unless you have two or more opponents.
{T}: Add {U} or {B}.

Whenever two or more creatures you control deal combat damage to a player, you gain 3 life and create a Treasure token. (It's an artifact with “{T}, Sacrifice this permanent: Add one mana of any color.”)
Whenever you sacrifice your second permanent each turn, you draw a card and you lose 1 life.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Slipstream (This creature can't be blocked as long as only creatures with slipstream are attacking.)

Vigilance
Warriors you control have ward {X}, where X is the number of Warriors you control. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {X}.)

Ward {2}
As long as you control six or more lands, Frondpond Errand-Runner gets +2/+0 and can't be blocked.

Trample
Menagerie — Whenever Frondpond Fledglings attacks, if there are five or more creature types among creatures you control, put a +1/+1 counter on it.

Frondpond Grotto enters tapped unless you played it from exile.
{T}: Add {U} or {B}.

Frondpond Prankster can't be blocked.
Whenever Frondpond Prankster enters or deals combat damage to a player, target player reveals their hand, then you choose any number of nonland cards from it. That player puts those cards on the bottom of their library in a random order, then draws that many cards.

First strike
When Frontline Descender enters, you may salvage an instant or sorcery card. (Exile one from your graveyard until this creature leaves the battlefield. Whenever this creature deals combat damage to a player, put a card it salvaged into your hand.)

Lifelink
Frostguard Sentry has flying as long as it has a +1/+1 counter on it.

At the beginning of your draw step, draw an additional card. If you control three or more artifacts, draw two additional cards instead.
At the beginning of your end step, discard your hand.

Create a 5/5 green Badger Bear creature token with trample. (Then exile this card. You may cast the creature later from exile.)

Flying
Instant, sorcery, and Wizard spells you cast cost {1} less to cast.