White Knight [Alpha Edition]Set: Alpha Edition Type: Creature Human Knight Rarity: Uncommon Cost: {W}{W} First strike (This creature deals combat damage before creatures without first strike.) Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.) Out of the blackness and stench of the engulfing swamp emerged a shimmering figure. Only the splattered armor and ichor stained sword hinted at the unfathomable evil the knight

Set: Beta Edition Type: Artifact Rarity: Uncommon Cost: {1} You have no maximum hand size

Set: Black & White: Base Set Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Set: Arena League 1996 Type: Basic Land — Mountain Rarity: Rare ({T}: Add {R}

Then that permanent's controller may sacrifice a land

Set: Urza's Destiny Type: Artifact Creature — Construct Rarity: Rare Cost: {3} {T}: Reveal any number of artifact cards in your hand

Set: Promo Finish: Cold Foil Type: Weapon Subtype: Sword (2H) Rarity: Promo Class: Runeblade Power: 1 Once per Turn Action - [2 Resource]: Attack If Nebula Blade hits

Set: Battle Royale Type: Enchantment Rarity: Uncommon Cost: {W} At the beginning of your upkeep

Set: Welcome to Rathe Edition: Alpha Print Finish: Cold Foil Type: Equipment Subtype: Legs Rarity: Legendary Class: Brute Once per Turn Action - 0: Roll a 6 sided die

and spooky mechanics

Set: Sun & Moon: Guardians Rising Type: Basic Fighting Energy Rarity: Secret Rare

Set: Best of Promos Type: Lightning Rarity: Promo Retreat cost: Colorless

Enchanted land has "At the beginning of your upkeep