Each player can't cast more than one spell each turn.
{3}
Crawlspace
Artifact
No more than two creatures can attack you each combat.
{1}{U}{U}
Fatespinner
Creature - Human Wizard
At the beginning of each opponent's upkeep, that player chooses draw step, main phase, or combat phase. The player skips each instance of the chosen step or phase this turn.
1 /
2
--
Hallowed Fountain
Land - Plains Island
({T}: Add {W} or {U}.)
As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{X}{W}{W}
Heliod's Intervention
Instant
Choose one --
• Destroy X target artifacts and/or enchantments.
• Target player gains twice X life.
{2}{U}
Induced Amnesia
Enchantment
When Induced Amnesia enters the battlefield, target player exiles all cards from their hand face down, then draws that many cards.
When Induced Amnesia is put into a graveyard from the battlefield, return the exiled cards to their owner's hand.
--
Misty Rainforest
Land
{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.
{2}{W}
Moon-Blessed Cleric
Creature - Human Elf Cleric
Divine Intervention -- When Moon-Blessed Cleric enters the battlefield, you may search your library for an enchantment card, reveal it, then shuffle and put that card on top.
3 /
2
--
Nimbus Maze
Land
{T}: Add {C}.
{T}: Add {W}. Activate only if you control an Island.
{T}: Add {U}. Activate only if you control a Plains.
{2}{W}
Oblation
Instant
The owner of target nonland permanent shuffles it into their library, then draws two cards.
{4}{W}
Promise of Loyalty
Sorcery
Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.
{4}{U}
Raise the Palisade
Sorcery
Choose a creature type. Return all creatures that aren't of the chosen type to their owners' hands.
{2}{W}
Rule of Law
Enchantment
Each player can't cast more than one spell each turn.
{W}
Soul Snare
Enchantment
{W}, Sacrifice Soul Snare: Exile target creature that's attacking you or a planeswalker you control.
{2}{W}
Thalia, Heretic Cathar
Legendary Creature - Human Soldier
First strike
Creatures and nonbasic lands your opponents control enter the battlefield tapped.
3 /
2
--
Witch's Cottage
Land - Swamp
({T}: Add {B}.)
Witch's Cottage enters the battlefield tapped unless you control three or more other Swamps.
When Witch's Cottage enters the battlefield untapped, you may put target creature card from your graveyard on top of your library.