If you aren't the starting player, you may cast Shove Aside as though it had flash.
Shove Aside deals 3 damage to target creature or planeswalker.

Whenever Snarlfang Vermin deals combat damage to a creature, if that creature is still on the battlefield, suspect that creature. It perpetually gains this ability.
Whenever a suspected creature an opponent controls dies while Snarlfang Vermin is in your graveyard, that opponent loses 1 life.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. It perpetually becomes a Clue artifact in addition to its other types and gains ", Sacrifice this permanent: Draw a card."

Disguise
Whenever Sleuth Instructor or another permanent you control is turned face up, seek a non-Elephant creature card with mana value 3 or less and cloak it. This ability triggers only once.

As Ominous Lockbox enters, secretly choose a number between 1 and 20.
When an opponent casts a spell with mana value equal to the chosen number, sacrifice Ominous Lockbox. If you do, copy that spell, and you may choose new targets for the copy.
, Sacrifice Ominous Lockbox: Draw a card.

When this Case enters, it deals 1 damage to any target.
Damage isn't removed from creatures during cleanup steps.
To solve — Three or more creatures are damaged.
Solved — Whenever you attack with one or more creatures, this Case deals that much damage divided as you choose among any number of targets.

Thopters you control get +2/+0.
At the beginning of your upkeep, conjure a card named Ornithopter into your hand.

When Izzet Polarizer dies, conjure a card named Ionize or a card named Electrolyze into your hand. (Your choice is not revealed to other players.)

Extort
, Sacrifice a non-Spirit creature: Return target creature card from your graveyard to your hand. It perpetually becomes a Spirit, has base power and toughness 1/1, and gains "You may pay rather than pay this spell's mana cost." Activate only as a sorcery.

At the beginning of your upkeep, exile the top card of target opponent's library face down. You lose life equal to its mana value. You may look at and play that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

When Construction Arsonist enters, you may choose an instant or sorcery card in your hand. If you do, that card perpetually incorporates and gains "When you cast this spell, it deals 2 damage to each opponent."
Whenever you cast a multicolored spell, Construction Arsonist gets +1/+1 until end of turn for each of that spell's colors.

When Scrutiny of the Guildpact enters, you may choose a creature card in your hand. If you do, that card perpetually incorporates and gains "When you cast this spell, create a 2/2 white and blue Detective creature token."
Multicolored creatures you control get +1/+1.

Choose an instant or sorcery card in your hand or graveyard. That card perpetually incorporates and gains "When you cast this spell, draw a card." Then return a multicolored instant or sorcery card from your graveyard to your hand.

When Scour the Scene enters, create a 2/2 white and blue Detective creature token.
Whenever you sacrifice an artifact, choose a creature card in your hand or a creature you control. It perpetually gets +1/+0.

When this Case enters, conjure four cards named Fblthp, the Lost into your library, then shuffle. Draw a card.
To solve — You control a legendary Homunculus.
Solved — You may look at the top card of your library any time and you may play lands and cast spells from the top of your library.

Each player discards their hand, then conjures a duplicate of each of seven random cards from the library of the player to their right into their hand. The duplicates perpetually gain "Mana of any type can be spent to cast this spell."

When Guildpact Greenwalker enters, you may choose a creature card in your hand. If you do, that card perpetually incorporates and gets +4/+4.
Multicolored creatures you control have ward .

Flying
When Cackling Observer enters, target opponent reveals each nonland card in their hand. You choose one of those cards and exile it.
When Cackling Observer leaves the battlefield, the exiled card's owner seeks a nonland card with lesser mana value than the exiled card.

Draft a card from Relics of the Rubblebelt's spellbook twice, then put one of those cards onto the battlefield tapped.

Trample
When Concert Kaboomist enters or is turned face up, it deals X damage to target opponent, where X is the number of noncreature spells you've cast since the beginning of your last turn.
Disguise

At the beginning of each combat, Sproutwatch Dryad gains flying until end of turn if a creature you control or a card in your hand has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

Convoke
When Emmara, Voice of the Conclave enters, draft a card from Emmara, Voice of the Conclave's spellbook.

Flying
Whenever one or more creatures you control deal combat damage to a player, investigate.
, Sacrifice a Clue: Seek an instant or sorcery card.

As an additional cost to cast this spell, you may collect evidence 5.
Flying
When Spotlight Falcon enters, if evidence was collected, conjure a card named Spotlight Falcon into your hand.

At the beginning of your end step, conjure a card named Slimy Dualleech onto the battlefield if you control no Leeches. Otherwise, put a +1/+1 counter on each Leech you control.
, Sacrifice a creature: Add an amount of equal to the sacrificed creature's power.

When Lurking Spinecrawler enters, you may choose a nonland card in your hand. If you do, that card perpetually incorporates and gains "When you cast this spell, each opponent sacrifices a creature. Each opponent who can't discards a card."
Whenever you cast a multicolored spell, for each of that spell's colors, each opponent loses 1 life and you gain 1 life.

Indestructible, haste
At the beginning of combat on your turn, put a +1/+1 counter on Tajic, Legion's Valor. Then conjure a card with mana value equal to the number of +1/+1 counters on it from Tajic, Legion's Valor's spellbook onto the battlefield. It gains haste until end of turn and attacks this combat if able.

Flying
Whenever Roalesk, Prime Specimen or another permanent you control is turned face up, you may pay . If you do, if X is 1 or more, conjure a duplicate of a random creature card with mana value X into your hand. Cloak it. It gains ": Turn this creature face up" for as long as it remains face down.
Disguise

When Perforator Crocodile enters, for each creature your opponents control, conjure a card named Stab Wound onto the battlefield attached to that creature.
Cycling

Trample, ward , haste
Rampaging Ursaguana gets +2/+2 for each time this creature attacked this game.
Disguise