msem-instigator

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Sire of the Wild enters the battlefield, reveal the top four cards of your library. You may put a creature card from among them onto the battlefield. Shuffle the rest into your library.

Whenever a land enters the battlefield under your control or a land card is put into your graveyard from anywhere, create a 0/1 green Plant creature token.
{3}{G}{G}: Put a +1/+1 counter on each other creature you control.

When Glimpse in the Static enters the battlefield, exile target creature an opponent controls until Glimpse in the Static leaves the battlefield.
At the beginning of your upkeep, target player creates a token that's a copy of the exiled card, then exiles that token.

{1}{U}{B}, Discard Karaja Hetegex: You may activate one of her loyalty abilities without paying its loyalty cost.
[–1]: Return target artifact, enchantment, or spell to its owner's hand.
[–1]: Target creature gets -2/-2 until end of turn.
[–1]: Scry 1, then draw a card.

Deception {U}{B} ({U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Sacrifice a creature: Shinrei of the Ghosting Way can't be blocked this turn.
Whenever one or more Rogues you control deal combat damage to a player, return a creature card from your graveyard to your hand.

First mate—Your starting deck contains only cards with mana value 0, 1, or 3. (If this card outside the game is your chosen first mate, you may swap it with a card in your opening hand.)
Menace
Once each turn, when one or more sources you control deal damage, you may put a +1/+1 counter on Hugo.

[+2]: Create a 3/3 red Wurm creature token.
[–2]: Up to three target creatures each get +2/+2 until end of turn. Bessie deals 2 damage to each of up to three target creatures.
[–9]: You get an emblem with “Creatures you control have base power and toughness 7/7 and have indestructible.”

Mill five cards. You may choose up to two nonland cards with mana value 2 or less milled this way. You may cast one without paying its mana cost. Put the rest into your hand.
Coalesce {6}{G}{W} (You may cast this from your graveyard for {6}{G}{W}. If you do, put it onto the battlefield as a Horror creature after it resolves. Exile it if it would leave the battlefield.)
Flying, vigilance

This spell costs {2} less to cast if your life total is less than or equal to half your starting life total.
Destroy all creatures.

Haste
Whenever you cast a noncreature spell, put a +1/+1 counter on Vengeant Precursor. It gains trample until end of turn.

[+1]: Discard a card. If you do, up to one target player gains 5 life.
[–3]: Discard a card. You draw X cards and you lose X life, where X is that card's mana value.
[–7]: Exile your hand, then put all cards from your graveyard into your hand and all cards exiled this way into your graveyard.

Flying
Whenever Warden of Lives attacks, you may cast a creature card from your graveyard. If you do, that creature enters the battlefield tapped and attacking.
If Warden of Lives would die, it phases out instead.

Create an X/X green and blue Plant creature token, where X is the number of differently named lands you control.

If you would draw a card, you may instead choose creature or land and exile cards from the top of your library until you exile a card of the chosen type. Put that card into your hand and put all other cards exiled this way on the bottom of your library in a random order.

{T}: Add three mana of any one color.

{T}: Add {C}.
{1}, {T}: Add one mana of any color.

When Nidohagane Warfans enters the battlefield, if it's not a token, create a token that's a copy of it.
Equipped creature gets +1/+0.
Equip {1}

As Sorcerous Spyglass enters the battlefield, look at an opponent's hand, then choose any card name.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

When Tempered Ankulim enters the battlefield, choose one —
• You gain 2 life.
• Each opponent loses 2 life.

Whenever The Winged Steed attacks, create a 4/4 red Dragon creature token with flying that's tapped and attacking. Exile that token at end of combat.
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

{T}: Add {C}.
{3}, {T}: Choose a color. For each differently named land you control, add one mana of that color.

{T}: Add {C}.
{T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast a legendary spell or activate an ability of a legendary permanent.
{3}, {T}, Sacrifice Many-Voiced Tower: Search your library for a legendary card, reveal it, put it into your hand, then shuffle. Activate only if you control five or more differently named lands.

{T}: Add {C}.
{2}, Pay 2 life: Starved Oasis becomes a 4/2 Elemental creature until end of turn. It's still a land.