Gideon of the Trials [San Diego Comic-Con 2018] Human Pirate Set: Arena League 2001 Type:

Set: Arena League 2001 Type: Basic Land — Island Rarity: Rare ({T}: Add {U}

which was Summoned this way

Set: Mythic Edition Type: Legendary Planeswalker — Ugin Rarity: Mythic Cost: {8} +2: Ugin

we're out of stuff to melt down

you may reveal your hand and put all land cards from it onto the battlefield

Gideon of the Trials [San Diego Comic-Con 2018] Human Pirate Set: Arena League 2001 Type:Set: San Diego Comic Con 2018 Type: Legendary Planeswalker Gideon Rarity: Mythic Cost: {1}{W}{W} +1: Until your next turn, prevent all damage target permanent would deal. 0: Until end of turn, Gideon of the Trials becomes a 4 4 Human Soldier creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn. 0: You get an emblem with "As long as you control a Gideon planeswalker, you can't lose the game