Gwaihir, Greatest of the Eagles and Mirkwood Bats help to threaten your enemies, along with rewards for gaining life such as Gollum, Obsessed Stalker and Sanguine Bond to outlast any opponent
Don't be turned off by the 3/3 stat-line, that's only there in the off-chance there's nothing to copy
Accorders Shield is worth pairing with Eye of Nidhogg, as it not only gives your creature +0/+3 but also gives it vigilance allowing your creature to be just as valuable defensively as it is offensively
Thanks to this, Dina, Essense Brewer is bound to be a staple in the 99 of any sacrifice-themed Commander deck
The most striking difference for most players of other formats is the legality of fetchlands, which make Modern mana bases much more consistent and multicolor decks easier to build
If Wizards printed a sorcery that cost 0 mana and it had no other text, I genuinely believe it would see play in Spellslinger decks