Davriel, Rogue Shadowmage (Stained Glass) [Secret Lair Drop Promos] Elder Dragon You can only use this

You can only use this effect of "D/D Savant Nikola" once per turn

all Trap Cards cannot be activated

negate the activation and effect of a Spell or Trap Card that targets 1 face-up Psychic-Type monster you control and destroy it

Set: Ixalan Prerelease Promos Type: Creature — Dinosaur Avatar Rarity: Rare Cost: {5}{G}{G} Whenever Verdant Sun's Avatar or another creature enters the battlefield under your control

you may reveal it

Davriel, Rogue Shadowmage (Stained Glass) [Secret Lair Drop Promos] Elder Dragon You can only use thisSet: Secret Lair Drop Promos Type: Legendary Planeswalker Davriel Rarity: Uncommon Cost: {2}{B} At the beginning of each opponent's upkeep, if that player has one or fewer cards in hand, Davriel, Rogue Shadowmage deals 2 damage to them. 1: Target player discards a card.