Ornithopter of Paradise

Leaden Myr

Beast Within

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

Monumental Corruption

Target player draws X cards and loses X life, where X is the number of artifacts you control.

Pygmy Kavu

When this creature enters, draw a card for each black creature your opponents control.

Compost

Whenever a black card is put into an opponent's graveyard from anywhere, you may draw a card.

Dockside Chef

{1}{B}, Sacrifice an artifact or creature: Draw a card.

Baba Lysaga, Night Witch

{T}, Sacrifice up to three permanents: If there were three or more card types among the sacrificed permanents, each opponent loses 3 life, you gain 3 life, and you draw three cards.

Copper Myr

Rendmaw, Creaking Nest

Menace, reach
When Rendmaw enters and whenever you play a card with two or more card types, each player creates a tapped 2/2 black Bird creature token with flying. The tokens are goaded for the rest of the game. (They attack each combat if able and attack a player other than you if able.)

Jhoira's Familiar

Flying
Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

Foundry Inspector

Artifact spells you cast cost {1} less to cast.

Solemn Simulacrum

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
When this creature dies, you may draw a card.