There are plenty of amazing cards that entered Magic: The Gatherings Standard format with the release of Foundations, with tons of them being reprints of cards from Magics extensive history
(To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.) The value of X is determined only once, as Tromell's last ability resolves
Fetch Lands As the backbone of most Modern mana bases, fetch lands like Arid Mesa let you grab exactly the land you needwhether its a shock land or a basicto make sure your colors are always online
Alternately, theyre going to die in combat, generally after blocking but sometimes after a combat trick
Green: Esper Origins - Im thinking of this more as a 4GG card thats a temporary 4/4 that draws a permanent than a 1G card, since its front half is very mediocre and doesnt impact the board (but that may just be too ambitious
Many players also run this card to keep their commander safe from removal