Kiss of Death [Portal Second Age]

Kiss of Death [Portal Second Age]Set: Portal Second Age Type: Sorcery Rarity: Uncommon Cost: {4}{B}{B} Kiss of Death deals 4 damage to target opponent or planeswalker. You gain 4 life. "I'd sooner lock lips with a viper. At least I might walk away from *that*." Elvish scout

But where is the source

Set: Dominaria Type: Artifact Rarity: Rare Cost: {5} {T}: Add three mana of any one color

"When the skies are filled with flames

Set: Champions of Kamigawa Type: Artifact Rarity: Uncommon Cost: {3} {T}: Add {C}

It gathers against the coming storm

Set: Modern Masters 2015 Type: Artifact — Equipment Rarity: Uncommon Cost: {2} Equipped creature gets +1/+0 for each artifact you control

{T}: Create a token that's a copy of a card exiled with Mimic Vat

Set: Khans of Tarkir Prerelease Promos Type: Enchantment Rarity: Rare Cost: {1}{G} Whenever a face-down creature enters the battlefield under your control

Whenever you cast a spell of the chosen color

Set: Tenth Edition Type: Creature — Goblin Mutant Rarity: Uncommon Cost: {2}{R} {7}{R}: Flamewave Invoker deals 5 damage to target player or planeswalker

"If you think you are brave enough to walk the path of honor

Set: Duels of the Planeswalkers Type: Creature — Wurm Rarity: Uncommon Cost: {5}{G}{G} Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking