This spell can't be countered.

Destroy target nonland permanent with mana value 3 or less.

, Remove a counter from a permanent you control: Create a 1/1 colorless Gnome artifact creature token.

, Sacrifice an artifact: Choose any kind of counter a printed card refers to, then put one of that counter on target permanent.

Trample

Dodgy Jalopy's power is equal to the highest mana value among creatures you control.

Crew 3

Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

When this creature enters the battlefield, create a 1/1 colorless Gnome artifact creature token.

Whenever Marching Duodrone attacks, each player creates a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

State-based actions don't apply to you or other permanents you control. (You don't lose the game due to having 0 or less life or drawing from an empty library. Your creatures aren't destroyed due to damage or deathtouch and aren't put into a graveyard due to having 0 or less toughness. Your planeswalkers aren't put into a graveyard if they have 0 loyalty. You don't put a legendary permanent into a graveyard if you control two with the same name. Counters aren't removed from your permanents due to game rules. Permanents you control attached or combined illegally remain on the battlefield. For complete rules and regulations, see rule 704.)

Counter target creature or planeswalker spell. Create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

The Grand Calcutron can be your commander.

When The Grand Calcutron enters the battlefield, each player's hand becomes a program (an ordered row of revealed cards).

Players can only play the first card of their program.

If a card would be put into a player's hand from anywhere, that player reveals it and places it anywhere within their program instead.

At the beginning of each player's end step, if that player's program has fewer than five cards, they draw cards equal to the difference.

When Unshakable Tail enters the battlefield and at the beginning of your upkeep, surveil 1.

Whenever one or more creature cards are put into your graveyard from your library, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, Sacrifice a Clue: Return Unshakable Tail from your graveyard to your hand.