Mark of Fury [Urza's Destiny] Modern The Battle of Tomakul taught

The Battle of Tomakul taught Urza not to rely on fickle reinforcements

but its speaker is

Sacrifice this creature: Search your library for a creature card with the same converted mana cost as this creature and put that card onto the battlefield

"Creation is a paradox

Set: Magic 2015 Type: Legendary Artifact Rarity: Mythic Cost: {4} At the beginning of your end step

Mark of Fury [Urza's Destiny] Modern The Battle of Tomakul taughtSet: Urza's Destiny Type: Enchantment Aura Rarity: Common Cost: {R} Enchant creature Enchanted creature has haste. At the beginning of the end step, return Mark of Fury to its owner's hand. Many Keldon warriors bear the mark of intentional insanity.