Reflecting Pool (Future Sight) [Mystery Booster 2] Phyrexian Artificer You can only use each

You can only use each effect of "Firewall Dragon Singularity" once per turn

it gains this effect

Set: Dark Beginning 2 Card type: Effect Monster Rarity: Ultra Rare Attack: 400 Defense: 1500 This card's effect can be activated during the Damage Step of either player's turn when this card battles

Set: Oversize Cards Type: Creature — Human Knight Rarity: Mythic Cost: {2}{W}{W} Battle cry (Whenever this creature attacks

you can add 1 "Gladiator Beast" card from your Deck to your hand

Reflecting Pool (Future Sight) [Mystery Booster 2] Phyrexian Artificer You can only use eachSet: Mystery Booster 2 Type: Land Rarity: Rare {T}: Add one mana of any type that a land you control could produce. Does it reflect the future that once was or the past that can never be?