Sakashima the Impostor [Saviors of Kamigawa]

Sakashima the Impostor [Saviors of Kamigawa]Set: Saviors of Kamigawa Type: Legendary Creature Human Rogue Rarity: Rare Cost: {2}{U}{U} You may have Sakashima the Impostor enter the battlefield as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has "{2}{U}{U}: Return this creature to its owner's hand at the beginning of the next end step."

and lead a different team of Pokémon into the arena

you can't be attacked except by creatures with flying and/or islandwalk

use this creature's name instead

Set: Portal Three Kingdoms Type: Creature — Ox Rarity: Uncommon Cost: {3}{G} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

Set: Portal Three Kingdoms Type: Sorcery Rarity: Rare Cost: {3}{W} Destroy all lands

Set: Tenth Edition Type: Creature — Zombie Spirit Rarity: Rare Cost: {2}{B}{B} At the beginning of your upkeep

Set: The Dark Type: Creature — Human Cleric Rarity: Rare Cost: {1}{W}{W} You may choose not to untap Preacher during your untap step

Set: Commander Anthology Volume II Type: Creature — Goblin Artificer Rarity: Rare Cost: {R} {T}: Choose target artifact a player controls and target artifact card in that player's graveyard

players can't untap more than one land during their untap steps

but the price of Mangara's freedom was Asmira's life

put all cards exiled with Knowledge Vault into their owner's graveyard

providing you have the appropriate tools to carve them