When Dream Stalker enters the battlefield, return a permanent you control to its owner's hand.

Flying When Kor Skyfisher enters the battlefield, return a permanent you control to its owner's hand.

When Hopeful Vigil enters the battlefield, create a 2/2 white Knight creature token with vigilance. When Hopeful Vigil is put into a graveyard from the battlefield, scry 2. {2}{W}: Sacrifice Hopeful Vigil.

When Hopeless Nightmare enters the battlefield, each opponent discards a card and loses 2 life. When Hopeless Nightmare is put into a graveyard from the battlefield, scry 2. {2}{B}: Sacrifice Hopeless Nightmare.

Flash When Omen of the Sea enters the battlefield, scry 2, then draw a card. {2}{U}, Sacrifice Omen of the Sea: Scry 2.

Enchant permanent Vanishing 3 (This Aura enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When Reality Acid leaves the battlefield, enchanted permanent's controller sacrifices it.

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.

Exile target creature or enchantment, then return it to the battlefield under its owner's control.

({T}: Add {U} or {B}.) Contaminated Aquifer enters the battlefield tapped.

({T}: Add {W} or {U}.) Idyllic Beachfront enters the battlefield tapped.

({T}: Add {U}.)

When Obscura Storefront enters the battlefield, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

({T}: Add {W}.)

Scoured Barrens enters the battlefield tapped. When Scoured Barrens enters the battlefield, you gain 1 life. {T}: Add {W} or {B}.

When Dawnbringer Cleric enters the battlefield, choose one — • Cure Wounds — You gain 2 life. • Dispel Magic — Destroy target enchantment. • Gentle Repose — Exile target card from a graveyard.

Exile two target artifacts.

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.

Flash When Omen of the Sun enters the battlefield, create two 1/1 white Human Soldier creature tokens and you gain 2 life. {2}{W}, Sacrifice Omen of the Sun: Scry 2.

Prevent all damage that sources of the color of your choice would deal this turn. Flashback—Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant permanent Vanishing 3 (This Aura enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When Reality Acid leaves the battlefield, enchanted permanent's controller sacrifices it.

{T}: Target player exiles a card from their graveyard. {1}, Exile Relic of Progenitus: Exile all graveyards. Draw a card.

When Azure Fleet Admiral enters the battlefield, you become the monarch. Azure Fleet Admiral can't be blocked by creatures the monarch controls.

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile target player's graveyard. {T}: Add {B}.

Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard. Reinforce 1—{W} ({W}, Discard this card: Put a +1/+1 counter on target creature.)

Each player returns a creature they control to its owner's hand.

Flying When Drake Familiar enters the battlefield, sacrifice it unless you return an enchantment to its owner's hand.

All creatures get -2/-2 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Choose one — • Target opponent loses 1 life and you gain 1 life. • Exile up to three target cards from a single graveyard. • Target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Enchant creature Enchanted creature gets +1/+1 for each enchantment you control and has first strike.

Constellation — Whenever Grim Guardian or another enchantment enters the battlefield under your control, each opponent loses 1 life.

When Journey to Nowhere enters the battlefield, exile target creature. When Journey to Nowhere leaves the battlefield, return the exiled card to the battlefield under its owner's control.

{T}, Sacrifice Nihil Spellbomb: Exile target player's graveyard. When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

Flash When Omen of the Dead enters the battlefield, return target creature card from your graveyard to your hand. {2}{B}, Sacrifice Omen of the Dead: Scry 2.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) If this spell was bargained, look at the top four cards of your library, then put up to two of them back on top of your library in any order and the rest into your graveyard. You draw two cards and you lose 2 life.

Whenever an enchantment enters the battlefield under your control, scry 1. {2}{W}: Slumbering Keepguard gets +1/+1 until end of turn for each enchantment you control.

Enchant land When Spreading Seas enters the battlefield, draw a card. Enchanted land is an Island.

Sacrifice Stormcaller's Boon: Creatures you control gain flying until end of turn. Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)