Metagross GX (139/145) [Sun & Moon: Guardians Rising] DP46 then attach this to it

then attach this to it

Set: The List Type: Artifact Rarity: Rare Cost: {4} If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger

Set: Commander Legends Type: Land Rarity: Rare Rejuvenating Springs enters the battlefield tapped unless you have two or more opponents

Set: Magic 2011 Type: Enchantment Rarity: Rare Cost: {2}{U}{U} If Leyline of Anticipation is in your opening hand

Metagross GX (139/145) [Sun & Moon: Guardians Rising] DP46 then attach this to itSet: Sun & Moon: Guardians Rising Type: Metal Rarity: Ultra Rare Retreat cost: Colorless,Colorless,Colorless