Sword of Fire and Ice [Darksteel] Time Spiral Creatures with swampwalk can be

Creatures with swampwalk can be blocked as though they didn't have swampwalk

−X: Search your library for an artifact card with mana value X or less

Set: Betrayers of Kamigawa Type: Legendary Artifact — Equipment Rarity: Rare Cost: {2} Whenever equipped creature deals combat damage

creatures you control gain indestructible until end of turn

that player chooses target player whose graveyard has fewer creature cards in it than their graveyard does and is their opponent

Sword of Fire and Ice [Darksteel] Time Spiral Creatures with swampwalk can beSet: Darksteel Type: Artifact Equipment Rarity: Rare Cost: {3} Equipped creature gets +2 +2 and has protection from red and from blue. Whenever equipped creature deals combat damage to a player, Sword of Fire and Ice deals 2 damage to any target and you draw a card. Equip {2}