Vexing Sphinx [Dominaria Remastered] SM68 When you discard a card

When you discard a card this way

Metal Rarity: Promo Retreat cost: Colorless

Set: Phyrexia: All Will Be One Commander Type: Artifact Rarity: Common Cost: {2} T: Add C

Set: March of the Machine Commander Type: Land Rarity: Rare As Game Trail enters the battlefield

and anything else not from the MOM main set

Vexing Sphinx [Dominaria Remastered] SM68 When you discard a cardSet: Dominaria Remastered Type: Creature Sphinx Rarity: Rare Cost: {1}{U}{U} Flying Cumulative upkeepDiscard a card. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)When Vexing Sphinx is put into a graveyard from the battlefield, draw a card for each age counter on it.