Sky Diamond

This artifact enters tapped.
{T}: Add {U}.

Unwinding Clock

Untap all artifacts you control during each other player's untap step.

Isochron Scepter

Imprint — When this artifact enters, you may exile an instant card with mana value 2 or less from your hand.
{2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

Zuran Spellcaster

{T}: This creature deals 1 damage to any target.

Cryptic Command

Choose two —
• Counter target spell.
• Return target permanent to its owner's hand.
• Tap all creatures your opponents control.
• Draw a card.

Panoptic Mirror

Imprint — {X}, {T}: You may exile an instant or sorcery card with mana value X from your hand.
At the beginning of your upkeep, you may copy a card exiled with Panoptic Mirror. If you do, you may cast the copy without paying its mana cost.

Growth Spiral

Draw a card. You may put a land card from your hand onto the battlefield.

Dramatic Reversal

Untap all nonland permanents you control.

Tanglepool Bridge

This land enters tapped.
Indestructible
{T}: Add {G} or {U}.

Sol Ring

Paradox Engine

Whenever you cast a spell, untap all nonland permanents you control.

Archelos, Lagoon Mystic

As long as Archelos is tapped, other permanents enter tapped.
As long as Archelos is untapped, other permanents enter untapped.

Viridian Longbow

Equipped creature has "{T}: This creature deals 1 damage to any target."
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)

Sleep

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

Island

Forest

Reset

Cast this spell only during an opponent's turn after their upkeep step.
Untap all lands you control.

Ahn-Crop Champion

You may exert this creature as it attacks. When you do, untap all other creatures you control. (An exerted creature won't untap during your next untap step.)