Karn, Silver Golem [Arena League 1999] Oathbreaker if you control seven or

if you control seven or more lands

Set: Scars of Mirrodin Type: Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from green and from blue

Set: Ixalan Prerelease Promos Type: Legendary Planeswalker — Vraska Rarity: Mythic Cost: {4}{B}{G} +2: Create a 2/2 black Pirate creature token with menace

you may change "swampwalk" to "plainswalk

Karn, Silver Golem [Arena League 1999] Oathbreaker if you control seven orSet: Arena League 1999 Type: Legendary Artifact Creature Golem Rarity: Rare Cost: {5} Whenever Karn, Silver Golem blocks or becomes blocked, it gets 4 +4 until end of turn. {1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its converted mana cost until end of turn.