Skittering Skirge [Arena League 1999] Dominaria This ability can't cause the

This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four

Set: Commander's Arsenal Type: Enchantment Rarity: Common Cost: {2}{U} Whenever an opponent casts a spell

Set: Commander 2011 Type: Enchantment Rarity: Rare Cost: {1}{B}{B}{B} Whenever a creature you control dies

They only specify the consequences should you fail

return it to its owner's hand

Skittering Skirge [Arena League 1999] Dominaria This ability can't cause theSet: Arena League 1999 Type: Creature Phyrexian Imp Rarity: Rare Cost: {B}{B} Flying When you cast a creature spell, sacrifice Skittering Skirge. The imps' warbling cries echo through Phyrexia's towers like those of mourning doves in a cathedral.