msem-instigator

Trample
You may cast Sandswim Titan from exile. If you do, it enters with three +1/+1 counters on it.

Whenever you cast a noncreature spell, Sara, Entelan Elementalist gets +X/+0 until end of turn, where X is Sara's power. It deals 1 damage to each creature you don't control.

If you would draw your first card each turn, instead draw two cards, then discard a card.
Whenever you draw an even numbered card in a turn, put a +1/+1 counter on Saraf, Tuned Disciple. (The second, fourth, sixth, etc.)

Look at the top six cards of your library. Put up to two creature cards with total mana value 4 or less from among them onto the battlefield and the rest on the bottom of your library in any order.
Ferocious — If you control a creature with power 4 or greater, put a +1/+1 counter on each creature you control.

Prowess, haste
You may spend mana as though it were mana of any color to cast noncreature spells with mana value 3 or less.

Menace
When Scion of Calamities enters, exile the top two cards of your library. Until the end of your next turn, you may play one of those cards.
Whenever a Mountain you control enters, you may aetherize Scion of Calamities. (To aetherize, create a token that's a copy of it, then exile that token.)

As Scion of Silence enters, choose a nonland card name.
Other permanents with the chosen name lose all abilities.

Flying
When Scion of Torrents enters, you may return target nonland permanent to its owner's hand.
Whenever an Island you control enters, you may aetherize Scion of Torrents. (To aetherize, create a token that's a copy of it, then exile that token.)

Scorch deals 3 damage to any target.

Flying
Whenever an artifact you control enters, you may activate one of its activated abilities without paying its cost.

When Sealed Riftway enters, exile up to one target card from a graveyard.
{2}, {T}, Sacrifice Sealed Riftway: Exile target player's graveyard. Draw a card.

Whenever Search the Shadows or a nontoken Ninja or Rogue you control enters, create a 1/1 blue Ninja creature token with “This creature can't be blocked.”
Whenever one or more Ninja and/or Rogue creatures you control deal combat damage to a player, draw a card.

Choose one or more —
• Target player draws two cards.
• Counter target spell.

({T}: Add {G}.)
Seedshrine enters tapped.
When Seedshrine enters, you may put a +1/+1 counter on target creature.

Reveal the top three cards of your library. Put one into your hand and the rest on the bottom of your library in any order.

As long as you control four or more lands, Seeker of Untouched Beauty gets +2/+2 and has trample.
When Seeker of Untouched Beauty dies, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{3}, {T}: Scry 3.
{5}, {T}: Fateseal 3.
{7}, {T}: Draw two cards.

Create a 1/1 colorless Construct artifact creature token. If you control an artifact, create two of those tokens instead.

Whenever Ser Wayver, the Broken Hour attacks, each opponent loses 2 life and you gain that much life.
When Ser Wayver dies or is countered, exile it with three time counters on it and it gains suspend. (At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast this card without paying its mana cost. It has haste.)

Vanishing 10 (This permanent enters with ten time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
If you would lose 1 or more life other than to pay a cost, instead remove that many time counters from Serene Prayer. (If you would lose more life than there are time counters on Serene Prayer, the life loss is still prevented.)

When Servant of Armageddon dies, destroy all creatures.

Whenever equipped creature deals combat damage to a player, return to your hand all cards from your graveyard that were put there this turn.
Equip {3}

Target creature phases out. Its controller sacrifices a creature. (Treat the phased out creature and anything attached to it as though they don't exist until its controller's next turn.)

Shadowcleft Hideout enters tapped.
{T}: Add {B}.
{T}, Pay 2 life, Sacrifice Shadowcleft Hideout: Draw a card.

Whenever an enchantment you control enters, you may gain 2 life.
Whenever you gain life, reveal the top card of your library. If it's an enchantment card, put it into your hand.