Dictate of the Twin Gods

Flash
If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Marrow Shards

({W/P} can be paid with either {W} or 2 life.)
Marrow Shards deals 1 damage to each attacking creature.

Brigid, Hero of Kinsbaile

First strike
{T}: Brigid, Hero of Kinsbaile deals 2 damage to each attacking or blocking creature target player controls.

Sacred Foundry

({T}: Add {R} or {W}.)
As Sacred Foundry enters, you may pay 2 life. If you don't, it enters tapped.

Introductions Are in Order

When you set this scheme in motion, choose one —
• Search your library for a creature card, reveal it, put it into your hand, then shuffle.
• You may put a creature card from your hand onto the battlefield.

Mountain

Spirit Loop

Enchant creature you control
Whenever enchanted creature deals damage, you gain that much life.
When Spirit Loop is put into a graveyard from the battlefield, return Spirit Loop to its owner's hand.

Approach My Molten Realm

When you set this scheme in motion, until your next turn, if a source would deal damage, it deals double that damage instead.

Ignite the Cloneforge!

When you set this scheme in motion, create a token that's a copy of target permanent an opponent controls.

Rugged Prairie

{T}: Add {C}.
{R/W}, {T}: Add {R}{R}, {R}{W}, or {W}{W}.

Lightmine Field

Whenever one or more creatures attack, Lightmine Field deals damage to each of those creatures equal to the number of attacking creatures.

Boros Reckoner

Whenever Boros Reckoner is dealt damage, it deals that much damage to any target.
{R/W}: Boros Reckoner gains first strike until end of turn.

Blasphemous Act

This spell costs {1} less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.

This World Belongs to Me

When you set this scheme in motion, draw two cards. You may play an additional land this turn.

Phyrexian Vindicator

Flying
If damage would be dealt to Phyrexian Vindicator, prevent that damage. When damage is prevented this way, Phyrexian Vindicator deals that much damage to any other target.

Imprison This Insolent Wretch

(An ongoing scheme remains face up until it's abandoned.)
When you set this scheme in motion, choose an opponent.
Permanents the chosen player controls don't untap during their untap step.
When the chosen player is attacked or becomes the target of a spell or ability, abandon this scheme.

Arcbond

Choose target creature. Whenever that creature is dealt damage this turn, it deals that much damage to each other creature and each player.

I Bask in Your Silent Awe

(An ongoing scheme remains face up until it's abandoned.)
Each opponent can't cast more than one spell each turn.
At the beginning of your upkeep, if no opponent cast a spell since your last turn ended, abandon this scheme.

Plots That Span Centuries

When you set this scheme in motion, the next time you would set a scheme in motion, set three schemes in motion instead.

Choose Your Champion

When you set this scheme in motion, target opponent chooses a player. Until your next turn, only you and the chosen player can cast spells and attack with creatures.

Realms Befitting My Majesty

When you set this scheme in motion, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Your Fate Is Thrice Sealed

When you set this scheme in motion, reveal the top three cards of your library. Put all land cards revealed this way onto the battlefield and the rest into your hand.

Outrider en-Kor

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
{0}: The next 1 damage that would be dealt to Outrider en-Kor this turn is dealt to target creature you control instead.

Plains

Nahiri's Machinations

At the beginning of combat on your turn, target creature you control gains indestructible until end of turn.
{1}{R}: Nahiri's Machinations deals 1 damage to target blocking creature.

Deafening Clarion

Choose one or both —
• Deafening Clarion deals 3 damage to each creature.
• Creatures you control gain lifelink until end of turn.