Odric, Lunarch Marshal [Shadows over Innistrad Prerelease Promos] Thopter you may spend mana as

you may spend mana as though it were mana of any type to pay that spell's mana cost

That player discards that card

Set: Kaladesh Prerelease Promos Type: Creature — Angel Rarity: Mythic Cost: {3}{W}{W} Flying

Set: Ixalan Treasure Chest Type: Artifact — Equipment Rarity: Rare Cost: {2} When Dowsing Dagger enters the battlefield

Nothing is known for sure

Odric, Lunarch Marshal [Shadows over Innistrad Prerelease Promos] Thopter you may spend mana asSet: Shadows over Innistrad Prerelease Promos Type: Legendary Creature Human Soldier Rarity: Rare Cost: {3}{W} At the beginning of each combat, creatures you control gain first strike until end of turn if a creature you control has first strike. The same is true for flying, deathtouch, double strike, haste, hexproof, indestructible, lifelink, menace, reach, skulk, trample, and vigilance.