Ydwen Efreet [Arabian Nights] Halfling Horror Aegis of the Emperor —

Aegis of the Emperor — Commanders you control have protection from everything

but I can sense some kind of comparable power in this droplet of ancient amber

Set: Alpha Edition Type: Enchantment — Aura Rarity: Common Cost: {1}{U} Enchant land

When Thought-Knot Seer leaves the battlefield

Set: Oversize Cards Rarity: Rare 1G: Choose a card in your hand

Ydwen Efreet [Arabian Nights] Halfling Horror Aegis of the Emperor —Set: Arabian Nights Type: Creature Efreet Rarity: Rare Cost: {R}{R}{R} Whenever Ydwen Efreet blocks, flip a coin. If you lose the flip, remove Ydwen Efreet from combat and it can't block this turn. Creatures it was blocking that had become blocked by only Ydwen Efreet this combat become unblocked.