Darksteel Garrison, Ley Weaver, and Maze of Ith

Prerequisites

• Darksteel Garrison on the battlefield
• Ley Weaver on the battlefield
• Maze of Ith on the battlefield
• Ley Weaver does not have summoning sickness
• Darksteel Garrison attached to Maze of Ith
• You control a mana-producing land

Steps

1. Declare Ley Weaver as an attacker
2. Activate Maze of Ith by tapping it, targeting Ley Weaver
3. Darksteel Garrison triggers, giving a creature you control +1/+1 until end of turn
4. Resolve the Maze of Ith ability, untapping Ley Weaver and preventing all combat damage dealt to and by it this turn
5. Activate Ley Weaver by tapping it, untapping Maze of Ith and any other land you control
6. Activate a mana-producing land by tapping it, adding at least
7. Repeat

Results

• Infinitely large creatures until end of turn
• Infinite mana lands you control can produce
• Infinite untap of lands you control