Herald's Horn - [Foil] Commander Masters (CMM)As Herald's Horn enters the battlefield, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

This spell costs {X} less to cast

) Flying {U}{U}{U}: Convert Jetfire

Nothing to lose

remove a shield counter from it

alt-frame cards

with a combination of 1–3 card(s) of rarity Rare or higher and 2–4 Uncommon cards

Remove all +1/+1 counters from Sage of Hours: For each five counters removed this way

{T}: Put target Aura card from a graveyard onto the battlefield under your control attached to a creature you control

Islandwalk

When Gray Merchant of Alphabet enters the battlefield

never knowing the pleasures of a single familiar form

Summon friend’s characters to fight by your side