To make Tyrranax Rex even more difficult to deal with, it has ward 4, so any removal spell your opponent tries to play will cost them four more mana to target it, and haste, so youre all but guaranteed to get at least one attack in with it before your opponent can try to stop it
This commander works great with red discover cards from The Lost Caverns of Ixalan and anything that cares about casting spells from exile, like Etali, Primal Storm and Professional Face-Breaker
[1] If this card is in your hand: You can discard 2 other cards
There are a total of 45 different lands included, and each one has two different variants
A repeatable card draw engine w/ pseudo-evasion for 2mana is amazing
[2] During your Main Phase: You can banish this card from your GY, then target any number of your banished "Dragon Ruler" monsters with different Attributes