Magus of the Arena [Planar Chaos]Set: Planar Chaos Type: Creature Human Wizard Rarity: Rare Cost: {4}{R}{R} {3}, {T}: Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other. (Each deals damage equal to its power to the other.) The magus still hears the roar of the crowds. They're gone, but the will to compete remains.

Set: Chronicles Type: Legendary Creature — Elder Dragon Rarity: Rare Cost: {2}{U}{U}{B}{B}{R}{R} Flying

Set: Fourth Edition Type: Enchantment — Aura Rarity: Rare Cost: {2}{U} Enchant artifact an opponent controls

Set: Fifth Edition Type: Artifact Rarity: Uncommon Cost: {0} {T}

Set: POP Series 6 Type: Metal Rarity: Rare Retreat cost: Colorless

Set: XY: Roaring Skies Type: Fairy Rarity: Rare Retreat cost: Colorless

Activate only during your upkeep and only if you control three or more artifacts

Set: Ravnica: City of Guilds Type: Enchantment Rarity: Rare Cost: {4}{R} Whenever you cast a spell

Set: Invasion Type: Creature — Zombie Rarity: Rare Cost: {1}{B}{R} At the beginning of your upkeep

The hammer strikes

Set: Platinum: Supreme Victors Type: Fighting Rarity: Common Retreat cost: Colorless

you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards

you may search your library for a basic Forest card