Rillaboom (SWSH006) (Staff Prerelease Promo) [Sword & Shield: Black Star Promos]Set: Sword & Shield: Black Star Promos Type: Grass Rarity: Promo Retreat cost: Colorless,Colorless,Colorless

Set: World Championship Decks 1999 Type: Artifact Creature — Masticore Rarity: Rare Cost: {4} At the beginning of your upkeep

A creature dealt damage this way can't be regenerated this turn

When Inverter of Truth enters the battlefield

Set: XY: Ancient Origins Type: Fighting Rarity: Promo Retreat cost: Colorless

Reverse Type: Sorcery Search your library for a card and put it into another target player's hand

Set: Guilds of Ravnica Promos Type: Creature — Elf Druid Rarity: Rare Cost: {2}{G}{G} Whenever you cast a creature spell

Set: Alpha Edition Type: Enchantment Rarity: Rare Cost: {R}{R} At the beginning of each player's upkeep

(It can't be blocked as long as defending player controls a Mountain

Set: EX: Power Keepers Type: Darkness Rarity: Ultra Rare Retreat cost: Colorless

(Treasure tokens are artifacts with "{T}

leonin seer

In Gideon's hands