Stardust Dragon [LC5D-EN031] Ultra Rare Illusion Whenever a nontoken creature enters

Whenever a nontoken creature enters the battlefield under your control

Set: Ixalan Prerelease Promos Type: Creature — Dinosaur Avatar Rarity: Mythic Cost: {5}{W}{W}{W} When Wakening Sun's Avatar enters the battlefield

Set: Starter 1999 Type: Creature — Dragon Rarity: Rare Cost: {5}{R}{R} Flying

Set: Scars of Mirrodin Type: Artifact Rarity: Rare Cost: {6} When Contagion Engine enters the battlefield

now that we have seen each other

Stardust Dragon [LC5D-EN031] Ultra Rare Illusion Whenever a nontoken creature entersSet: Legendary Collection 5D's Card type: Synchro Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2000 1 Tuner + 1 or more non Tuner monsters You can Tribute this card to negate the activation of a Spell Card, Trap Card, or Effect Monster's effect that destroys a card(s) on the field, and destroy that card. If you negate an effect this way, you can Special Summon this card from your Graveyard.