msem-instigator

Target creature you control fights another target creature. (Each deals damage equal to its power to the other.)

As a spell you control is countered by a spell or ability an opponent controls while you control a Mountain, you may reveal Confront the Riddlemaster from your hand. When you do, cast it without paying its mana cost.
This spell can't be countered.
Confront the Riddlemaster deals 4 damage to any target.

Abound. Then search your library for a creature, instant, or sorcery card, reveal it, put it into your hand, then shuffle. (To abound, you may cast a spell that costs less than this from your hand without paying its mana cost.)

Destroy all noncreature, nonland permanents.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

At the beginning of your upkeep, choose one —
• You lose 1 life.
• You draw two cards and you lose 3 life.
• Search your library for a card, put it into your hand, then shuffle. You lose 5 life.

Wanderlust — This spell costs {2} less to cast as long as you control four or more differently named lands.
Crackle Across Kahembo deals X damage to target creature or planeswalker.

{T}: Add {C}.
{3}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Haste
{R}{R}{R}, Discard your hand, Sacrifice Crimson Knight: Draw three cards.

Look at the top six cards of your library. For each permanent type, you may reveal a card of that type from among them and put it into your hand. Put the rest on the bottom of your library in any order.

When Cryptic Sentinel enters the battlefield, attach any number of target Auras you control to Cryptic Sentinel.
{G}{W}, Sacrifice an Aura: Tap Cryptic Sentinel. It gains indestructible until end of turn.

Escalate {U}{U} (Pay this cost for each mode chosen beyond the first.)
Choose one or more. You may choose the same mode more than once.
• Return target permanent to its owner's hand.
• Shuffle any number of cards from your hand into your library, then draw that many cards plus one.

Play with the bottom card of your library revealed.
Whenever you cast a spell or play a land from your hand that shares a type with the bottom card of one or more of your libraries, you may cast each of those cards without paying its mana cost or put it onto the battlefield if it's a land.

Dafiqi Falconer gets +X/+X, where X is the amount of life you've gained this turn.
As long as your life total is greater than your starting life total, Dafiqi Falconer has flying.

Danaj Sanctuary enters the battlefield tapped.
Satrapies you control have “{T}: Add {G} or {U}.”

When Dawson's Enforcer enters the battlefield, draw a card if you sacrificed a permanent or discarded a card this turn.

Desert Temple enters the battlefield tapped. As it does, an opponent of your choice chooses Oasis or Desiccation.
• Oasis — {T}: Add one mana of any color.
• Desiccation — {T}: Add {C}{C}. You lose 1 life.

Destroy target noncreature permanent.
Recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

Surveil 1. You draw a card and you lose 1 life. (Look at the top card of your library. You may put that card into your graveyard.)
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)

When Doomed Woodsman dies, create a 1/1 green Faerie Druid creature token with hexproof.

This spell can't be countered.
Tap up to three target permanents.
Coalesce {9}{U}{U} (You may cast this from your graveyard for its coalesce cost. If you do, put it onto the battlefield as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)
Opponents can't untap more than two permanents during their untap steps while Drown Amidst the Cosmos is on the battlefield.

{T}: Untap target basic land.

Menace, haste
Whenever another creature dies, you get a blood counter.
{B}{R}, Pay two blood counters: Return Dthan, Who Bloodies the Sands from your graveyard to the battlefield.

Whenever Duela Alchemist becomes tapped, catalyze. (The next spell you cast this turn costs {1} less to cast.)
{1}{U}, {T}: Untap another target artifact or creature.

When Dunecrest Pariah enters the battlefield, you may search your library for a basic land or Desert card, reveal it, put it into your hand, then shuffle.
{T}, Sacrifice Dunecrest Pariah: You may put a land card from your hand onto the battlefield tapped.