mtg small cards Standard Bans Won’t Affect These Tiny Cards! World’s Smallest Cadira, Caller of the Small

For spells with X in their mana costs, use the value chosen for X to determine if the spells converted mana cost is 4 or less

In non-Standard formats, I'm guessing Invasion of Theros is likely too slow

Sacrifice one, go get one that costs one mana more, rinse and repeat until you've worked up from a Treasure token to a Portal To Phyrexia

The card wasnt highly sought after until supply began to dry up over the last year

, , Pay life equal to the number of colors in your commanders' color identity: Draw a card

The cards made for these sets also featured some important advances in user experience, most of which were sadly dropped for all following sets