Sapphire Leech [Invasion] San Diego Comic-Con 2016 and it can block creatures

and it can block creatures with flying

When Personal Incarnation dies

Set: Arena League 2002 Type: Creature — Dauthi Soldier Rarity: Rare Cost: {B}{B} Shadow (This creature can block or be blocked by only creatures with shadow

Set: Limited Edition Beta Type: Sorcery Rarity: Rare Cost: {1}{U} Take an extra turn after this one

Sacrifice Triassic Egg: Choose one —

Sapphire Leech [Invasion] San Diego Comic-Con 2016 and it can block creaturesSet: Invasion Type: Creature Leech Rarity: Rare Cost: {1}{U} Flying Blue spells you cast cost {U} more to cast. "The subject's wings are clearly vestigial. We suspect the gems somehow keep it aloft." Tolarian research notes