Im mostly happy to play this with Rydia or graveyard synergies (i.e., Esper Origins / Summon: Esper Maduin), though its acceptable filler anywhere
Your ETB effects should always be striving to advance your position in the game through drawing cards, putting more cards into play, taking away your opponents cards, countering your opponents removal spells, or some combination of the above
and because most of the creatures in the deck are Soldiers, making Cavern of Souls into a powerful untapped dual land
The finer details of what exactly will be in those bundles hasn't been revealed, however, regular MTG bundles tend to include booster packs and accessories, among other things
When its flames at last receded, only the charred husk of a world remained
The Return Of Hercules is an Inkable 5 cost Emerald action that says Each player may reveal a character card from their hand and play it for free