Wall of Fire [Alpha Edition] Secret Lair Drop Series you may return target creature

you may return target creature card with lesser mana value from your graveyard to the battlefield tapped

that creature gains the forestwalk ability

Voracious Larva or another creature enters the battlefield under your control

Set: Mystery Booster Type: Instant Rarity: Common Cost: {W} Exile target creature you control

Ironically

Wall of Fire [Alpha Edition] Secret Lair Drop Series you may return target creatureSet: Alpha Edition Type: Creature Wall Rarity: Uncommon Cost: {1}{R}{R} Defender (This creature can't attack.) {R}: Wall of Fire gets +1 +0 until end of turn. Conjured from the bowels of hell, the fiery wall forms an impassable barrier, searing the soul of any creature attempting to pass through its terrible bursts of flame.