Meandering Towershell | Creature | Turtle | Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Whenever Meandering Towershell attacks, exile it. Return it to the battlefield under your control tapped and attacking at the beginning of the declare attackers step on your next turn. | YW Tang
Ivorytusk Fortress | Creature | Elephant | Untap each creature you control with a +1/+1 counter on it during each other player's untap step. | Jasper Sandner
Rakshasa Vizier | Creature | Cat Demon | Whenever one or more cards are put into exile from your graveyard, put that many +1/+1 counters on Rakshasa Vizier. | Nils Hamm
Avalanche Tusker | Creature | Elephant Warrior | Whenever Avalanche Tusker attacks, target creature defending player controls blocks it this combat if able. | Matt Stewart