Mirran Safehouse + Griffin Canyon + Faceless Haven
Mirran Safehouse
Griffin Canyon
Faceless Haven
Requires
Mirran Safehouse must be on the battlefield.
Griffin Canyon must be in the graveyard.
Faceless Haven must be in the graveyard.
Mana needed: 

Steps
- Activate Mirran Safehouse using Faceless Haven's second ability by paying
, causing Mirran Safehouse to become a 4/3 creature with all creature types until end of turn.
- Activate Mirran Safehouse using Griffin Canyon's second ability by tapping it, untapping Mirran Safehouse and giving it +1/+1 until end of turn.
- Repeat step 2.
Results
Infinitely large Mirran Safehouse until end of turn.
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