mtg blaze of gloryunlimited edition Equipment Clockwork Avian enters the battlefield

Clockwork Avian enters the battlefield with four +1/+0 counters on it

Set: Eldritch Moon Prerelease Promos Type: Creature — Plant Rarity: Mythic Cost: {3}{B} Defender

and Dominaria itself to the point of annihilation

−8: Chandra Nalaar deals 10 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls

If damage is prevented this way

mtg blaze of gloryunlimited edition Equipment Clockwork Avian enters the battlefieldSet: Unlimited Edition Type: Instant Rarity: Rare Cost: {W} Cast this spell only during combat before blockers are declared. Target creature defending player controls can block any number of creatures this turn. It blocks each attacking creature this turn if able.