Crypt Ghast (Retro) (322) - Ravnica Remastered

Crypt Ghast (Retro) (322) - Ravnica RemasteredSet: Ravnica Remastered Type: Creature Spirit Rarity: Rare Cost: {3}{B} Extort (Whenever you cast a spell, you may pay {W B}. If you do, each opponent loses 1 life and you gain that much life.) Whenever you tap a Swamp for mana, add an additional {B}.

—Ludevic

"At this rate I fully expect to be replaced by a clockwork golem by year's end

Whenever Aragorn attacks

destroy that land

Set: Commander Masters Type: Sorcery Rarity: Mythic Cost: {X}{G}{G} With a roar

banish the top card of your deck

gain control of target creature or planeswalker for as long as you control Dragonlord Silumgar

Set: Planechase Anthology Type: Creature — Human Ninja Rarity: Rare Cost: {2}{U}{U} Ninjutsu {1}{U} ({1}{U}

Set: 30th Anniversary Edition Type: Sorcery Rarity: Common Cost: {B} Return target creature card from your graveyard to your hand

but I believe a more mundane power source might suffice

Set: The List Type: Legendary Creature — Rat Ninja Rarity: Rare Cost: {4}{B}{B} Ninjutsu {3}{B}{B} ({3}{B}{B}

If X is 5 or more