Cheapest priced copy (Unfinity): $0.35 at Card Kingdom, near mint, their price list as of .
Tusk and Whiskers 
Legendary Creature — Elephant Mouse Performer · 4/4 · Uncommon · Unfinity · #273
Whenever you put an ability sticker on a creature, put a +1/+1 counter on that creature.
{2}{G}{W}, {T}: You get {TK}. You may put a sticker on a nonland permanent you own.
Legal inCommander
Banned inLegacyVintage
Not legal inBrawlStandardPioneerModernPauper