msem-instigator

Target creature or planeswalker you control explores. (Reveal the top card of your library. Put it into your hand if it's a land. Otherwise, put a +1/+1 or loyalty counter on that permanent, then you may put that card into your graveyard.)

Noncreature spells your opponents cast cost {1} more to cast for each counter on Judges of Bearidge.
{5}{W}{U}: Put a +1/+1 counter on Judges of Bearidge, then detain each creature with lesser power. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)

Rushing Waters enters tapped.
{T}: Add {U} or {R}.
When Rushing Waters enters, you may put a loyalty counter on a planeswalker you control.

As an additional cost to cast this spell, exile a creature card from your graveyard.
You draw three cards and you lose 3 life.

Each opponent loses 3 life and you gain 3 life.
Whenever you cast your second spell each turn, if Salome's Intervention wasn't put into your graveyard this turn, return it from your graveyard to your hand.

{1}{U}, {T}, Discard a card: Reveal the top card of your library. Counter target spell unless its controller pays {X}, where X is the mana value of that card.

Flying
Whenever a player spends one or more mana to activate an ability that isn't a mana ability, Xihuo deals 2 damage to each opponent.
{B}{R}, Pay 2 life: Xihuo gains double strike until end of turn. Activate only once each turn.

Gloomhollow Woodlock enters tapped unless you played it from exile.
{T}: Add {B} or {G}.

When Raging Restitched enters, you may sacrifice a creature. When you do, Raging Restitched deals damage to target creature or planeswalker equal to the sacrificed creature's power.

Whenever Leija, the Bloodied Queen attacks, you may pay {R}{R}{R}{R}. If you do, it deals 4 damage to each other creature, each player, and each planeswalker.

Improve {1} ({1}: 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 Bridgehaven's Finest enters, create a 1/1 colorless Human creature token.
Other creatures you control get +1/+1 as long as Bridgehaven's Finest has two or more counters on it.

Whenever a creature you control becomes blocked, you may return it to its owner's hand.
The first spell you cast during your postcombat main phase each turn costs {W}{U} less to cast. This effect reduces only the amount of colored mana you pay. (For example, if you cast a spell with mana cost {1}{U}, it costs {1} to cast.)

Return X target cards with different mana costs from your graveyard to your hand. Exile Eternal Blessings.

When Crystalline Golem enters, choose a color. You gain 1 life for each permanent of that color you control.

{R}, Discard a card: Target creature blocking Scaled Mindreaver gains winnow until end of turn. (Damage dealt to it also causes its controller to lose that much life.)

Target player gains control of target ability or nonpermanent spell. You may choose new targets for it.

Prowess
When Cramming Student enters, conjure ten cards named Fatigue and shuffle them into your library. (They're colorless sorceries that cost {2} and have “Draw a card.”)
Instant and sorcery spells you cast cost {1} less to cast.

Mossvine Lurker has trample as long as it has a +1/+1 counter on it.

When Opulent Proprietor enters, you may search your library and/or graveyard for an Aura, Aurashaper, Equipment, or Vehicle card, reveal it, and put it into your hand. If you search your library this way, shuffle.

Flying, haste
Whenever Scourge of the Skies attacks, you may have it deal 5 damage to target creature.

Flying
When Unfettered Atrocity enters, destroy target creature or planeswalker.

Heroic — Whenever you cast a spell that targets Forge Adept, create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)
{6}{R}: Create a 3/3 colorless Golem enchantment artifact creature token. If mana from an artifact was spent to activate this ability, that token gains haste.

Target creature gets +1/+3 and gains hexproof until end of turn. (Then exile this card. You may cast the creature later from exile.)

Put target nonland permanent on top of its owner's library.
Draw a card.

Target creature you control deals damage equal to its power to target creature you don't control. For each point of excess damage dealt this way, put a +1/+1 counter on the creature you control.