Mapusaurus

Devour 1, Whenever a card named Mapusaurus enters the battlefield under your control, Mapusaurus gains your choice of first strike,
trample, or vigilance until end of turn.
A deck can have any number of cards named Mapusaurus.
Mapusaurus is named for both the rose-colored rocks, in which it whas found and for Rose Letwin, who sponsored the expeditions.