Manascape Refractor, Griffin Canyon, and Faceless Haven

Prerequisites

• Manascape Refractor on the battlefield
• Griffin Canyon on the battlefield
• Faceless Haven on the battlefield
• available

Steps

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

Results

• Infinitely large Manascape Refractor until end of turn