River Boa [Duels of the Planeswalkers] SM83 and Armageddon is nigh

and Armageddon is nigh

if a LIGHT Machine Union monster(s) is Normal or Special Summoned to your field (except during the Damage Step): You can target 1 of those monsters

Set: Magic 2011 Type: Sorcery Rarity: Common Cost: {2}{G} Search your library for up to two basic land cards

Set: Mirage Type: Creature — Elemental Spirit Rarity: Rare Cost: {3}{R}{R} Protection from red

Set: Mirrodin Type: Enchantment Rarity: Rare Cost: {2}{W} Each player can't cast more than one spell each turn

River Boa [Duels of the Planeswalkers] SM83 and Armageddon is nighSet: Duels of the Planeswalkers Type: Creature Snake Rarity: Uncommon Cost: {1}{G} Islandwalk (This creature can't be blocked as long as defending player controls an Island.) {G}: Regenerate River Boa.