Kathril, Aspect Warper [Commander 2020] 157 if "Dream Mirror of Joy"

if "Dream Mirror of Joy" is in a Field Zone (Quick Effect): You can Tribute this card

Set: Legendary Collection 3: Yugi's World Card type: Effect Monster Rarity: Ultra Rare Attack: 1500 Defense: 1500 When this card declares an attack while "Necrovalley" is on the field: You can target 1 face-up monster your opponent controls

Set: Magic 2010 Type: Enchantment — Aura Rarity: Uncommon Cost: {3}{W} Enchant creature

my creations are stronger than Jin-Gitaxias's septic minions

and three warned of a trap

Kathril, Aspect Warper [Commander 2020] 157 if "Dream Mirror of Joy"Set: Commander 2020 Type: Legendary Creature Nightmare Insect Rarity: Mythic Cost: {2}{W}{B}{G} When Kathril, Aspect Warper enters the battlefield, put a flying counter on any creature you control if a creature card in your graveyard has flying. Repeat this process for first strike, double strike, deathtouch, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance. Then put a +1 +1 counter on Kathril for each counter put on a