Harried Dronesmith

When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying.

, Sacrifice an artifact: Choose one —

• Exile the top card of your library. Until the end of your next turn, you may play that card.

• Target creature gets +2/+0 until end of turn.

When Pia Nalaar enters, create a 1/1 colorless Thopter artifact creature token with flying.

: Target artifact creature gets +1/+0 until end of turn.

, Sacrifice an artifact: Target creature can't block this turn.

, : Create a token that's a copy of target creature card in your graveyard, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.

Haste

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

At the beginning of combat on your turn, each creature you control with a counter on it gains firebending 2 until end of turn. (Whenever it attacks, add . This mana lasts until end of combat.)

At the beginning of combat on your turn, choose one —

• Target creature gets +1/+0 and gains haste until end of turn.

• The Wiley Speedster deals 1 damage to any target.

• Create a Treasure token.

At the beginning of combat on your turn, create a token that's a copy of target noncreature artifact you control, except its name is Mishra's Warform and it's a 4/4 Construct artifact creature in addition to its other types. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.