msem-instigator

All creatures get -2/-2 until end of turn.

Exile any number of target creatures you control. For each creature exiled this way, create a token that's a copy of it, except it's
a 4/4 white Angel Soldier with flying in addition to its other types.

Up to two target lands you control become 1/1 black Bear creatures with deathtouch. They're still lands. (Then exile this card. You may cast the creature later from exile.)

Choose one —
• Target creature you control deals damage equal to its power to each of up to two other target creatures.
• Create a 5/5 green Treefolk creature token with reach.

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.

Frontier Base enters tapped unless you have 15 or less life.
{T}: Add {G} or {U}.

Trample
Frontier Hoof gets +1/+1 for each other Centaur you control.

If you would lose unspent mana, that mana becomes colorless instead.

Trample

Flash
When Frontier Paragon enters, untap all creatures you control.

When Frontier Savior enters, return up to two target creature cards with mana value 3 or less from your graveyard to the battlefield.

When Frontier Scouts enters, reveal the top card of your library. If it's a land, put it onto the battlefield tapped.

Improve {G} ({G}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
When Frontier Trackers dies, create a 1/1 green Elf creature token.

Improve {W} ({W}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
Whenever Frontier Wayfinder attacks, untap each other creature you control.

Frontline Banneret has first strike as long as it's your turn.
When Frontline Banneret enters, put a +1/+1 counter on another target Knight or Soldier you control.

Motivate 1 (When this creature enters, you may motivate target creature with less power than this by putting a +1/+1 counter on it.)

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.)

First strike

Flying
{T}: Add {C}. Spend this mana only to cast spells or activate abilities during an opponent's turn.

When Frontline Veteran enters, you may sacrifice another creature or artifact. If you do, draw a card.

When Frost Walker becomes the target of a spell or ability, sacrifice it.