When Hearthcage Giant enters, create two 3/1 red Elemental Shaman creature tokens. Sacrifice an Elemental: Target Giant creature gets +3/+1 until end of turn.
Whenever a nontoken creature enters, its controller creates a token that's a copy of that creature. Whenever chaos ensues, destroy target creature and all other creatures with the same name as that creature.
Vigilance {T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn. Suspend 4—{W}{U}
If an opponent had two or more lands enter the battlefield under their control this turn, you may pay {3}{R}{R} rather than pay this spell's mana cost. Destroy two target lands. Lavaball Trap deals 4 damage to each creature.
{T}, Sacrifice Magus of the Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.
Cast this spell only before attackers are declared. You choose which creatures attack this turn. You choose which creatures block this turn and how those creatures block.
You may play any number of lands on each of your turns. Whenever chaos ensues, target red, green, or white creature you control gets +1/+1 until end of turn for each land you control.