Merry Bards

The Role-token mechanic hands out enchantment auras as flexible buffs, and the Young Hero flavor of it is the most conditional of the bunch: the +1/+1 counter only lands when the enchanted creature attacks with toughness 3 or less, so the token deliberately builds toward its own obsolescence. Grow a creature past three toughness and the trigger goes quiet, which turns what looks like a snowball engine into a bounded runway for small attackers. The body here is the more interesting half of the transaction: an optional on entry means the token attaches only when you have a target worth pumping and mana to spare, so the creature can hit as a plain beater when the board does not cooperate. That the aura targets a creature you control rather than the Bard itself is the real hook: this is a payoff-distribution piece, seeding a growth clock onto whatever one-drop already threatens to connect, rather than a self-contained threat. The graveyard clause covering pre-existing Roles keeps the layering honest (one Role per creature, newest wins), so the card slots into a deck already trafficking in these auras without stacking redundant enchantments.