Lord of Atlantis [Junior Super Series] Guilds of Ravnica change Halfdane's base power and

change Halfdane's base power and toughness to the power and toughness of target creature other than Halfdane until the end of your next upkeep

but soon formed again

{2}{U}{U}: Return Palinchron to its owner's hand

except for creatures that couldn't attack

Lord of Atlantis [Junior Super Series] Guilds of Ravnica change Halfdane's base power andSet: Junior Super Series Type: Creature Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1 +1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.) A master of tactics, the Lord of Atlantis makes his people bold in battle merely by arriving to lead them.