Layla Hassan A white commander that can retrieve a historic card from the graveyard with her enters-the-battlefield ability (ETB) is pretty good, especially when she can do it again when she deals combat damage
Matching 4 gems in a row will clear the row which the 4 gems are aligned on, but you do not gain any mana from the extra destroyed gems
The alternative is that my attacker goes unblocked, and that can either make an opponent dead or I can sacrifice the attacker myself in the post-combat main phase
For gameplay, often the more common versions are better used and still offer the same abilities and strategies, without the risk of damaging a card worth hundreds of dollars during a regular game session
Analyzing the current Modern metagame from Magic Online decklists used in Modern Challenge events from June 11-19, Karsten found that Sephiroth, Fabled SOLDIER was the most played new card in the Final Fantasy set - for Modern, at least
In Limited, one of my favorite Eternalize creatures is arguably Timeless Witness