The Most Dangerous Gamer

Deathtouch
Whenever The Most Dangerous Gamer enters or attacks, open an Attraction.
Whenever you open an Attraction, put a +1/+1 counter on The Most Dangerous Gamer.
Whenever you claim the prize of an Attraction, destroy target permanent.

Winding Constrictor

If one or more counters would be put on an artifact or creature you control, that many plus one of each of those kinds of counters are put on that permanent instead.
If you would get one or more counters, you get that many plus one of each of those kinds of counters instead.

Discourtesy Clerk

When this creature enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)
At the beginning of your end step, if you control three or more Attractions, you draw a card and you lose 1 life.

"Lifetime" Pass Holder

This creature enters tapped.
When this creature dies, open an Attraction.
Whenever you roll to visit your Attractions, if you roll a 6, you may return this card from your graveyard to the battlefield.

Night Shift of the Living Dead

After you roll a die, you may pay 1 life. If you do, increase or decrease the result by 1. Do this only once each turn.
Whenever you roll a 6, create a 2/2 black Zombie Employee creature token.

Cultivate

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Inspiring Statuary

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Coming Attraction

Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

Mirrorworks

Whenever another nontoken artifact you control enters, you may pay {2}. If you do, create a token that's a copy of that artifact.

Pair o' Dice Lost

Roll two six-sided dice. Return any number of cards with total mana value X or less from your graveyard to your hand, where X is the total of those results. Exile Pair o' Dice Lost.

Line Cutter

When this creature enters, roll to visit your Attractions.

Petting Zookeeper

Reach
When this creature enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

Eternal Witness

When this creature enters, you may return target card from your graveyard to your hand.

Step Right Up

Open two Attractions. (Put the top two cards of your Attraction deck onto the battlefield.)

Spinnerette, Arachnobat

Reach
When Spinnerette enters, open an Attraction.
As long as you control three or more Attractions, Spinnerette gets +2/+0 and has menace.

Deadbeat Attendant

When this creature enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

Sculpting Steel

You may have this artifact enter as a copy of any artifact on the battlefield.

Quick Fixer

Menace
Whenever this creature deals combat damage to a player, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

Reclamation Sage

When this creature enters, you may destroy target artifact or enchantment.

Beast Within

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Xenosquirrels

This creature enters with two +1/+1 counters on it.
After you roll a die, you may remove a +1/+1 counter from this creature. If you do, increase or decrease the result by 1.

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.