Archdruid's Charm (Extended Art) [Murders at Karlov Manor]

Archdruid's Charm (Extended Art) [Murders at Karlov Manor]Set: Murders at Karlov Manor Type: Instant Rarity: Rare Cost: {G}{G}{G} Choose one Search your library for a creature or land card and reveal it. Put it onto the battlefield tapped if it's a land card. Otherwise, put it into your hand. Then shuffle. Put a +1 +1 counter on target creature you control. It deals damage equal to its power to target creature you don't control. Exile target artifact or enchantment.

"Heat of battle" is usually a metaphor

that player returns those cards to their hand

Equipped creature gets +1/+0 and can't be blocked

{T}: Regenerate target Elephant

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

Set: Battlebond Type: Sorcery Rarity: Uncommon Cost: {4}{B}{B} Destroy target creature

"I'm afraid your investigation has reached a dead end

Frost giants study for centuries in isolation

Set: Theros Beyond Death Prerelease Promos Type: Creature — Human Warrior Rarity: Rare Cost: {2}{G} Constellation — Whenever an enchantment enters the battlefield under your control

Set: Wilds of Eldraine Type: Creature — Human Noble Rarity: Uncommon Cost: {2}{W} At the beginning of your upkeep

Set: Challenger Decks 2020 Tokens Type: Token Creature — Wolf Rarity: Common Reverse Type: Token Creature — Wolf

The bad news is it's so simple a goblin could use it