name: Ageless Sentinels
originalText: (Walls can't attack.)\nFlying\nWhen Ageless Sentinels blocks, its creature type becomes Giant Bird. (It's no longer a Wall. This effect doesn't end at end of turn.)
printings: SCG
text: Defender (This creature can't attack.)\nFlying\nWhen Ageless Sentinels blocks, it becomes a Bird Giant, and it loses defender. (It's no longer a Wall. This effect lasts indefinitely.)