Cavalier of Dawn [Core Set 2020 Prerelease Promos] Continuous Trap This explains why the goblins

This explains why the goblins remain unaffected

Set: Avacyn Restored Type: Creature — Beast Rarity: Mythic Cost: {5}{G}{G}{G} Haste

Set: EX: Emerald Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

you can Tribute 1 monster to have this card gains ATK equal to the original ATK of the Tributed monster until the End Phase of this turn

and send that card to the Graveyard

Cavalier of Dawn [Core Set 2020 Prerelease Promos] Continuous Trap This explains why the goblinsSet: Core Set 2020 Prerelease Promos Type: Creature Elemental Knight Rarity: Mythic Cost: {2}{W}{W}{W} Vigilance When Cavalier of Dawn enters the battlefield, destroy up to one target nonland permanent. Its controller creates a 3 3 colorless Golem artifact creature token. When Cavalier of Dawn dies, return target artifact or enchantment card from your graveyard to your hand.