Have

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

Hoodwink

Return target artifact, enchantment, or land to its owner's hand.

Turf Wound

Target player can't play lands this turn.
Draw a card.

Mountain

Tolarian Terror

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Active Volcano

Choose one —
• Destroy target blue permanent.
• Return target Island to its owner's hand.

Eye of Nowhere

Return target permanent to its owner's hand.

Volatile Fjord

({T}: Add {U} or {R}.)
Volatile Fjord enters tapped.

Seething Landscape

{T}: Add {C}.
{T}, Sacrifice Seething Landscape: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.
Cycling {U}{B}{R} ({U}{B}{R}, Discard this card: Draw a card.)

Lórien Revealed

Draw three cards.
Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Abrade

Choose one —
• Abrade deals 3 damage to target creature.
• Destroy target artifact.

Boomerang

Island

Azure Fleet Admiral

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

Aven Fogbringer

Flying
When Aven Fogbringer enters, return target land to its owner's hand.

Flash Flood

Choose one —
• Destroy target red permanent.
• Return target Mountain to its owner's hand.

Nihil Spellbomb

{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.

Murmuring Mystic

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

Solfatara

Target player can't play lands this turn.
Draw a card at the beginning of the next turn's upkeep.

Steel Sabotage

Choose one —
• Counter target artifact spell.
• Return target artifact to its owner's hand.

Counterspell

Fade Away

For each creature, its controller sacrifices a permanent of their choice unless they pay {1}.