When this Rift enters, 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

Choose a nonland card name. Target opponent reveals their hand and discards a card with that name. If they can't, you lose 1 life and draw a card.

When this Rift enters or is traversed, exile any number of other nonland permanents you both own and control. Return those cards to the battlefield at the beginning of the next end step.
Traverse 6

Whenever a land you control enters, crystallize.
{6}{G}{G}: Double the number of +1/+1 counters on each creature you control.

Enchant land you control
When Kaleidoscape enters, draw a card, then choose a land type.
Enchanted land is the chosen land type in addition to its other types.

{T}: Search your library for a card named Duplicats, reveal it, put it into your hand, then shuffle.

First strike, vigilance
Ward—Tap an untapped creature you control.

Vigilance
Whenever an enchantment you control is put into your graveyard from the battlefield, put a +1/+1 counter on Tragic Performer.
When Tragic Performer dies, you gain life equal to its power.

Whenever you cast a noncreature spell for the second time each turn, Draconic Aspirant becomes a red Dragon creature with flying and base power and toughness 4/4 until end of turn.

Hexproof
Inspired — Whenever Elseworld Cryptid becomes untapped, create a colorless Snowball artifact token with “{T}, Sacrifice this: Tap target creature.”

Whenever an enchantment you control is put into your graveyard from the battlefield, each opponent loses 1 life and you gain 1 life.

Once during each of your turns, you may exile a nonlegendary card with mana value X or less from your graveyard, where X is the number of land cards in your graveyard. If you do, copy that card. You may cast the copy without paying its mana cost.

Create a token that's a copy of target creature an opponent controls. They fight each other.

Inspired — Whenever Variant Handler becomes untapped, create a token that's a copy of target creature you control, except it has haste. Exile the token at the beginning of the next end step.

Flying, haste
When Scourge of the Spine enters, crystallize.
At the beginning of your end step, sacrifice Scourge of the Spine unless you sacrifice an artifact.

Look at the top five cards of your library. You may reveal a Dragon or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.