Whether you duplicate ETB effects like Zealous Conscripts or double down on value creatures, the potential for infinite loops is real
Each player, in APNAP order, puts each triggered ability they control with a trigger condition that isnt another ability triggering on the stack in any order they choose
While not as flashy as the above two cards, Encase in Ice is special because blue has very few effective removal options
Some of your creatures will have died to removal and died in combat, and the extra creature tokens youve made will be an important mana source for returning them
Wrenn and Realmbreaker Wrenn and Realmbreaker promises perfect mana fixing, and some card draw to go with its animate land ability
They are going for $20-$30, depending on the specific land, but they are among the best you could hope for in that color combination