{T}: Untap target permanent not named Market Watcher. Activate only during your turn.

Flying
When Mothrat Irradiant enters the battlefield, crystallize.

Enchant creature
When Possibility Prison enters the battlefield, if there are six or more cards in any player's graveyard, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

When this Rift enters the battlefield or is traversed, target creature gets +2/+0 until end of turn and can't be blocked this turn.
Traverse 4

Counter target spell unless its controller pays {X}.
If you cast this spell using four or more colors of mana, instead counter that spell and draw a card.

Flying
Sapphiric Hatchling gets +1/+1 as long as you control another Dragon.
{1}{R}: Sapphiric Hatchling gets +1/+0 until end of turn.

Flying
When Sapphiric Hoarder enters the battlefield, crystallize. Then tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Sapphiric Hoarder and a Treasure.

Return target nonland permanent to its owner's hand. If you controlled that permanent, draw a card.

Draw a card, then mill two cards.
{3}{U}, Exile Sift Through Stones from your graveyard: Draw a card, then mill two cards.

[+1]: Create a 0/1 colorless Witness artifact creature token with “At the beginning of your upkeep, mill two cards.”
[–3]: Target player gains control of up to one target permanent you control. Draw a card.
[–7]: Exchange any number of nonland permanents you control with that many nonland permanents that your opponents control.

Speaker of Dreams's power and toughness are each equal to the number of cards in your hand.
Reflect {2}{B}{B}

Reflected
Reaver of Nightmares's power and toughness are each equal to the number of cards in your graveyard.

{U}, {T}: Draw a card, then discard a card.
{3}{W}: Untap target creature you control.

When this Rift enters the battlefield, if it was cast, take an extra turn after this one.
When this Rift is traversed, take an extra turn after this one.
If Temporal Tunnel would leave the battlefield, exile it instead.
Traverse 7

Flying
If Thawing Dragon would enter the battlefield and you haven't cast another spell named Thawing Dragon this game, instead draw two cards, then put Thawing Dragon into its owner's library seventh from the top.

Exile all cards from your library, then shuffle your graveyard into your library. Draw a card for every six cards in your library.

When this Rift enters the battlefield or is traversed, target opponent loses half their life, rounded up.
Traverse 6

Flying
When Amethryn Hoarder enters the battlefield, crystallize.
Sacrifice three artifacts and/or creatures: Return Amethryn Hoarder from your graveyard to the battlefield tapped.

When Bat Master enters the battlefield, create a 1/1 black Bat creature token with flying.
Inspired — Whenever Bat Master becomes untapped, create a 1/1 black Bat creature token with flying.

Whenever another creature dies, if that creature had the greatest power or was tied for the greatest power, you gain 2 life and draw a card.

At the beginning of each player's end step, if they don't control the creature with the greatest power or tied for the greatest power, they lose 4 life. You gain life equal to the life lost this way.

As an additional cost to cast this spell, you may sacrifice up to three artifacts and/or creatures. This spell costs {2} less to cast for each permanent sacrificed this way.
Flying
You may sacrifice an artifact or creature as an additional cost to cast each spell you cast. If you do, that spell costs {2} less to cast.

Lifelink
Ward—Mill six cards.
At the beginning of your upkeep, mill six cards.

When this Rift enters the battlefield or is traversed, target player sacrifices a creature.
Traverse 5