Mist-Cloaked Herald

Birthday Escape

Prying Blade

Equipped creature gets +1/+0.
Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Soothing of Sméagol

Return target nontoken creature to its owner's hand. The Ring tempts you.

Island

Slither Blade

Goldvein Pick

Equipped creature gets +1/+1.
Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Perilous Research

Draw two cards, then sacrifice a permanent.

Capsize

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Return target permanent to its owner's hand.

Triton Shorestalker

Counterspell

Dreadful as the Storm

Target creature has base power and toughness 5/5 until end of turn. The Ring tempts you.