Every The First Chapter Card
If you lose momentum, look to characters like Improvise, Flotsam and Jetsam, Rolly, and Patch, Intimdating Pup to help you trade efficiently and maximize the value of your ink
Merlin came in clutch during play a good few times in his many forms inspired by the fight between him and Madam Mim
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Both halves can cohesively contribute to a Sacrifice theme deck (although Treasures only happen if your opponents' things die), with the legendary creature on the back half giving you a sacrifice outlet and a beefy body
Whenever this creature enters, put a +1/+1 counter on target creature