Being able to return Expressive Iteration in the late game is powerful for grinding through decks like Jeskai Control and Death and Taxes
Both types of cards target your own creatures to give them some kind of boost, usually ones that make them better for combat, which also lets you trigger their valiant abilities
There are a variety of mages among the colleges ranks that wield this magic in their own unique ways including glyphweavers, shadelocks, battle poets, duskmages, and more
Thats already a recipe for spellslinger and counterspell shenanigans, and none of thats accounting for its scaling power as the game goes on
More and more players enjoy Pioneer and Modern
Giant Cindermaw Rarity: Uncommon TYPE: Creature SUBTYPE: Dinosaur Beast CMC: 3 Mana cost: USD: $0.09 EUR: 0.13 TIX: 0.02 EDHREC RANK: 10622 (4/3) Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Players can't gain life