Mana Matrix [Legends] Revised Edition it gets +3/+3 until end

it gets +3/+3 until end of turn for each creature blocking it beyond the first

Set: Shards of Alara Type: Artifact Rarity: Mythic Cost: {5} If you would lose the game

double its controller's life total

Set: Alpha Edition Type: Creature — Human Barbarian Rarity: Uncommon Cost: {2}{R}{R} Keldon Warlord's power and toughness are each equal to the number of non-Wall creatures you control

Set: Portal Three Kingdoms Type: Instant Rarity: Uncommon Cost: {1}{G} Cast this spell only during the declare attackers step and only if you've been attacked this step

Mana Matrix [Legends] Revised Edition it gets +3/+3 until endSet: Legends Type: Artifact Rarity: Rare Cost: {6} Instant and enchantment spells you cast cost up to {2} less to cast.