Though undoubtedly strong, this card is probably a bit too slow to be main-deckable in Modern: three mana for the sword, two more to actually equip it, and then you have to get through to deal combat damage as well
3 damage for 1 mana is a great deal, and its seen as one of the most powerful removal cards in the game
Alrund's Epiphany Alrund's Epiphany completely ravaged Standard and was banned as a result
Magic isnt just one game, you see: it has many officially recognised variants, most of which set out different rules on what constitutes a legal deck
Choose a Background (You can have a Background as a second commander.) Legendary Creature - Human Warlock Commander (CTRL to add secondary) Artifact Sword of Hours Whenever equipped creature attacks, put a +1/+1 counter on it
Some combination of 2 through 4