mtg m21 card list Magic: The Gathering Core Set 2021 (M21) Collector Booster | 15 Cards Core Set 2021 (M21) Card

What is relevant is that she is a 4-cost 0/6 that gets +3 Strength while at a location

Those tokens don't have to be creatures, though they certainly can be

Jumbo Cactuar Basically a 'win the game' card Deals 10K damage Pair with indestructible/hexproof Jumbo Cactuars 10,000 Needles ability is not only a total flavor win but is also one of the wildest pieces of rules text Ive ever seen on a Magic card

The rest of the upgrades are just generally good cards: better lands, ramp, tutors, removal, and so on

In the ramp you can easily include classics such as Rampant Growth, Farseek, Migration Path, Hour of Promise and many more