from the vault mtg card list Magic: Gathering you may pay 4 From the Vault: Twenty (V13)

not legal in sanctioned Commander play)

Notably, opponents can't try to remove the creature you wish to sacrifice

And because Voja is in Naya colors, you also get access to reds haste enablers so Voja can come down and start pressuring the table immediately

While Kronk is a strong choice for decks requiring protection and hand preservation, there may be better options for more aggressive strategies, such as Louis - Swift Strikes, who provides offensive capabilities and tempo advantage

Obstinate Baloth is a bit dull but has added value from the anti discard and good synergy with Birthing Pod with fewer utility creatures costing four