Name:Ageless Sentinels
ManaCost:3 W
Types:Creature Wall
PT:4/4
K:Flying
K:Defender
T:Mode$ Blocks | ValidCard$ Card.Self | Execute$ TrigDebuff | TriggerDescription$ When CARDNAME blocks, it becomes a Bird Giant, and it loses defender.
SVar:TrigDebuff:DB$ Debuff | Keywords$ Defender | Defined$ TriggeredBlocker | Permanent$ True | SubAbility$ Animate
SVar:Animate:DB$ Animate | Defined$ TriggeredBlocker | Types$ Bird,Giant | OverwriteTypes$ True | KeepSupertypes$ True | KeepCardTypes$ True | Permanent$ True
SVar:Picture:http://www.wizards.com/global/images/magic/general/ageless_sentinels.jpg
Oracle: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.)