mtg whenever a card is exiled Graveyard Trespasser | Innistrad: Midnight Hunt Foil | Standard Whenever Assimilation Aegis becomes attached to a creature Let the Galaxy Burn (40K)

Also from Outlaws of Thunder Junction is the "crime" mechanic, where certain cards have effects when the player commits a crime - that is, if they target opponent, a permanent an opponent controls, or a card in an opponent's graveyard, although it does lead to some very funny statements out of context

We have countless dual-color land cycles, Treasure, and card draw, and so I dont think that argument is worth much

Ziatora, the head of the Riveteers, heard it all from her kin when she first agreed to the archdemon's contract

Shoreline Looter Shoreline Looter is the rat version of Looter il-Kor, although one that can draw without discarding if you have threshold