Temporal Mastery [Modern Masters 2017] Condition:Heavily Played Foil it becomes a Halfling Rogue

it becomes a Halfling Rogue with “Whenever this creature deals combat damage to a player

Set: Morningtide Type: Creature — Elemental Rarity: Uncommon Cost: {2}{B} Flash

or triggered ability

then put that card onto the battlefield if it has the same name as a permanent

Discard a creature card: Put a +1/+1 counter on Lotleth Troll

Temporal Mastery [Modern Masters 2017] Condition:Heavily Played Foil it becomes a Halfling RogueSet: Modern Masters 2017 Type: Sorcery Rarity: Mythic Cost: {5}{U}{U} Take an extra turn after this one. Exile Temporal Mastery. Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.) Time is a marvelous plaything.