Natural Balance (Oversized) [Oversize Cards] Gatecrash Promos but if it switches it

but if it switches it won't be able to switch back

you gain 1 life for each of those keywords

Sacrifice Mirrorpool: Copy target instant or sorcery spell you control

"A single item acting as lantern and lance

Natural Balance (Oversized) [Oversize Cards] Gatecrash Promos but if it switches itSet: Oversize Cards Rarity: Rare Each player controlling six or more lands sacrifices enough lands to reduce his or her land total to five. Each player controlling four or fewer lands may search his or her library for enough basic land to bring his or her land total to five and put those lands into play. Those players shuffle their libraries afterwards.